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  printstatus = {copy}
}
@inproceedings{enell2000misu,
  author = {Carl-Fredrik Enell and Bj{\"o}rn Gustavsson and and
		  {\AA}ke Steen and Kenneth S. Carslaw},
  title = {Characterisation and altitude determination of
		  stratospheric clouds - model studies},
  booktitle = {Proceedings of the 27th Annual European Meeting on
		  Atmospheric Studies by Optical Methods},
  year = 2001,
  series = {MISU Report series},
  publisher = {Meteorological institution, {S}tockholm university,
		  {S}weden},
  irf = {enell2000misu},
  printstatus = {***UNKNOWN***}
}
@phdthesis{enell2002irf,
  author = {Carl-Fredrik Enell},
  title = {Optical studies of polar stratospheric clouds and related
		  phenomena},
  school = {Swedish Institute of Space Physics},
  year = 2002,
  address = {{K}iruna, {S}weden},
  month = oct,
  note = {({IRF} {S}cientific {R}eport 278), {ISBN:} 91-7305-307-4},
  alis = {enell2002irf},
  referee = {enell2002irf},
  irf = {enell2002irf},
  printstatus = {copy}
}
@article{enell2003sgp,
  author = {Carl-Fredrik Enell and Kerstin Stebel and Thomas Wagner
		  and Klaus Pfeilsticker and Ulrich Platt},
  title = {Detecting polar stratospheric clouds with zenith-looking
		  photometers},
  journal = {Sodankyl{\"a} Geophysical publication series},
  volume = 92,
  pages = {55--59},
  year = 2003,
  irf = {enell2003sgp},
  referee = {enell2003sgp},
  printstatus = {printout}
}
@article{engwall2009anngeo,
  title = {{Survey of cold ionospheric outflows in the magnetotail}},
  author = {Engwall, E. and Eriksson, AI and Cully, CM and Andr{\'e}, M. and Puhl-Quinn, PA and Vaith, H. and Torbert, R.},
  journal = {Ann.\ Geophys.},
  volume = {27},
  pages = {3185--3201},
  year = {2009}
}
@inbook{feldstein1960ussras,
  author = {Feldstein, Y. I.},
  title = {Investigations of the Aurorae},
  chapter = {Geographical distribution of aurorae and azimuths of
		  auroral arcs.},
  publisher = {Academy of sciences of the USSR},
  year = 1960,
  opteditor = {B. A. Bagarjatsky},
  number = 4,
  series = 4,
  address = {Moscow},
  pages = 61,
  printstatus = {***MISSING***}
}
@manual{fitsstd1999nasa,
  key = {NASA},
  title = {Definition of the Flexible Image Transport System (FITS)},
  organization = {NASA/Science Office of Standards and Technology},
  address = {Code 633.2, NASA Goddard Space Flight Center, Greenbelt
		  MD, USA},
  month = mar,
  year = 1999,
  note = {NOST 100-2.0,
		  http://fits.gsfc.nasa.gov/fits\_documentation.html}
}
@article{frey1996jgr,
  author = {S. Frey and H. U. Frey and D. J. Carr and Os. H. Bauer and
		  G Haerendel},
  title = {Auroral emission profiles extracted from
		  three-dimensionally reconstructed arcs.},
  journal = {J.\ Geophys.\ Res.},
  year = 1996,
  volume = 101,
  number = {A10},
  pages = {21731--21741}
}
@article{galand2001jgr,
  author = {Marina Galand},
  title = {Special section: Proton precipitation into the Atmosphere},
  journal = {J.\ Geophys.\ Res.},
  year = 2001,
  volume = 106,
  number = {A1},
  pages = {1--178},
  month = jan
}
@article{galperin2001jastp,
  author = {Yu. I. Galperin},
  title = {Multiple scales in auroral plasmas},
  journal = {J.\ Atmos.\ Solar and Terr.\ Phys.},
  year = 2001,
  volume = 64,
  pages = {211--229}
}
@article{gardner1999jatp,
  author = {J. A. Gardner and A. L. Broadfoot and W. J. McNeil and S.
		  T. Lai and E. Murad},
  title = {Analysis of the {GLO}-1 observations of meteoric metals in
		  the thermosphere},
  journal = {J.\ Atmos.\ Terr.\ Phys.},
  year = 1999,
  volume = 61,
  pages = {545--562},
  printstatus = {***UNKNOWN***}
}
@article{gartlein1947natgeo,
  author = {C. W. Gartlein},
  title = {Unlocking secrets of the Northern lights},
  journal = {Nat.\ Geograph.\ Mag.},
  year = 1947,
  pages = 673,
  month = nov
}
@book{gassendi1651,
  author = {Pierre Gassendi},
  title = {De vita Pereskii, Anno 1621},
  year = 1651,
  publisher = {Edit. Hag. Com.},
  printstatus = {***MISSING***}
}
@article{gilbert1972jtb,
  author = {P. Gilbert},
  title = {Iterative methods for the three-dimensional reconstruction
		  of an object from projections},
  journal = {J.\ Theor.\ Boil.},
  year = 1972,
  volume = 36,
  pages = {105--117}
}
@article{griffin2008ag,
  title = {{Upper thermospheric neutral wind and temperature measurements from an extended spatial field}},
  author = {Griffin, EM and Aruliah, AL and McWhirter, I. and Yiu, HCI and Charalambous, A. and McCrea, I.},
  journal = {Ann.\ Geophys.},
  volume = {26},
  pages = {2649--2655},
  year = {2008}
}
@article{gurevich1985jatp,
  author = {A. V. Gurevich and Ya. S. Dimant and G. M. Milikh and V.
		  V. Va'skov},
  title = {Multiple acceleration of electrons in the regions of high
		  power radio-wave reflection in the ionosphere},
  journal = {J.\ Atmos.\ Terr.\ Phys.},
  year = 1985,
  volume = 47,
  pages = {1057--1070},
  printstatus = {***UNKNOWN***}
}
@article{gurevich1997jgr,
  author = {A. V. Gurevich and G. M. Milikh},
  title = {Artificial airglow due to modifications of the ionosphere
		  by powerful radio waves},
  journal = {J.\ Geophys.\ Res.},
  year = 1997,
  volume = 102,
  pages = {389--394},
  printstatus = {***UNKNOWN***}
}
@article{gustafsson1992jatp,
  author = {G. Gustafsson and N. E. Papitashvili and V. O.
		  Papitashvili},
  title = {A Revised Corrected Geomagnetic Coordinate System for
		  Epochs 1985 and 1990},
  journal = {J.\ Atmos.\ Terr.\ Phys.},
  year = 1992,
  volume = 54,
  pages = {1609-1631},
  printstatus = {***UNKNOWN***},
  irf = {gustavsson1992jatp}
}
@techreport{gustavsson1992irf,
  author = {Bj{\"{o}}rn Gustavsson},
  title = {A study of feasible tomographic inversion techniques for
		  {ALIS}},
  institution = {Swedish Institute of Space Physics},
  year = 1992,
  number = 039,
  address = {Kiruna, Sweden},
  month = apr,
  note = {{ISSN 0284-1738}},
  alis = {gustavsson1992irf},
  irf = {gustavsson1992irf},
  printstatus = {***UNKNOWN***}
}
@article{gustavsson1998jgr,
  author = {Bj{\"{o}}rn Gustavsson},
  title = {Tomographic inversion for {ALIS} noise and resolution},
  journal = {J.\ Geophys.\ Res.},
  year = 1998,
  volume = 103,
  number = {A11},
  pages = {26,621--26,632},
  month = nov,
  alis = {gustavsson1998jgr},
  referee = {gustavsson1998jgr},
  irf = {gustavsson1998jgr},
  printstatus = {***UNKNOWN***}
}
@phdthesis{gustavsson2000irf,
  author = {Björn Gustavsson},
  title = {{T}hree {D}imensional {I}maging of {A}urora and
		  {A}irglow,},
  school = {Swedish Institute of Space Physics},
  year = 2000,
  address = {{K}iruna, {S}weden},
  month = sep,
  note = {({IRF} Scientific Report 267), {ISBN:} 91-7191-878-7},
  alis = {gustavsson2000irf},
  referee = {gustavsson2000irf},
  irf = {gustavsson2000irf},
  printstatus = {***UNKNOWN***}
}
@article{gustavsson2001asr,
  author = {Gustavsson, B. and Sergienko, T. and H{\"a}ggstr{\"o}m, I.
		  and Honary,F.},
  title = {Simulation of high energy tail of electron distribution
		  function},
  journal = {Adv. Polar Upper Atmos. Res.},
  year = 2004,
  volume = 18,
  number = 18,
  pages = {1-9},
  month = aug,
  url = {},
  keywords = {Electron distribution, Incoherent scatter spectra, active
		  experiments},
  abstract = { This report presents Monte Carlo simulations of the
		  electron energy distribution for a low ionized plasma
		  interacting with the F-region neutral gas. The results show
		  a depletion in the electron distribution above 2~eV between
		  10 and 80 \%, decreasing with altitude. The depletion is
		  mainly due to electron energy loss to $N_2$. This
		  micro-physical energy transfer model gives good agreement
		  with optical observations of enhanced emissions from
		  $O(^1D)$ at 6300~{{\AA}} and EISCAT UHF measurements of
		  electron cooling during HF radio wave heating experiments.
		  Some implications for incoherent scatter spectra are
		  derived. The results suggest that a weak (approximately
		  1000 times weaker than the ion-line) and wide (2~MHz) peak
		  around $\pm 1$~MHz from the ion-line in the EISCAT VHF
		  incoherent scatter spectrum should be a consequence of the
		  electron-neutral interaction.},
  alis = {gustavsson2001asr},
  referee = {gustavsson2001asr},
  irf = {gustavsson2001asr},
  printstatus = {***UNKNOWN***}
}
@article{gustavsson2008anngeo,
  author = {Gustavsson, B. and Kosch, M. and Wong, A. and Pedersen, T.
		  and Heinselman, C. and Mutiso, C. and Bristow, B. and
		  Hughes, J. and Wang, W.},
  title = {First estimates of volume distribution of HF-pump enhanced
		  emissions at 6300 and 5577 Å: a comparison between
		  observations and theory},
  journal = {Annales Geophysicae},
  volume = {26},
  year = {2008},
  number = {12},
  pages = {3999--4012},
  abstract = {We present bi-static observations of radio-wave induced
		  optical emissions at 6300 and 5577 Å from a night-time
		  radio-induced optical emission ionospheric pumping
		  experiment at the HIPAS (Fairbanks) facility in Alaska. The
		  optical observations were made at HIPAS and from HAARP
		  located 285 km south-east. From these observations the
		  altitude distribution of the emissions is estimated with
		  tomography-like methods. These estimates are compared with
		  theoretical models. Other diagnostics used to support the
		  theoretical calculations include the new Poker Flat AMISR
		  UHF radar near HIPAS. We find that the altitude
		  distribution of the emissions agree with electron transport
		  modeling with a source of accelerated electrons located 20
		  km below the upper-hybrid altitude. },
  url = {http://www.ann-geophys.net/26/3999/2008/},
  issn = {0992-7689}
}
@article{gustavsson2008jgr:b,
  author = {Gustavsson, B. and Eliasson, B.},
  title = {HF radio wave acceleration of ionospheric electrons:
		  Analysis of HF-induced optical enhancements},
  journal = {J.\ Geophys.\ Res.},
  year = 2008,
  volume = {113},
  pages = {A08319},
  abstract = {The shape of the HF-pump modified electron energy
		  distribution has long been a central question in the field
		  of ionospheric high-frequency radio wave modification
		  experiments. Here we present estimates of the enhanced
		  differential electron flux, from 1.9 to 100 eV based on
		  optical multiwavelength (6300, 5577, 8446, and
		  4278~{{\AA}}) data and 930 MHz incoherent scatter radar
		  measurements of ion temperature, electron temperature and
		  concentration. According to our estimate, the electron
		  energy distribution is depleted in the energy range of 2 to
		  approximately 4 eV, probably caused by electron excitation
		  of vibrational states in $N_2$. At the higher energies the
		  electron energy distribution has a nonthermal tail. Further
		  we show that the altitude variations of the four optical
		  emissions should differ both in altitude coverage and
		  center altitude. },
  doi = {10.1029/2007JA012913},
  url = {http://www.agu.org/pubs/crossref/2008/2007JA012913.shtml}
}
@article{gustavsson2008jgr:c,
  author = {Gustavsson, B. and Lunde, J. and Blixt, E. M.},
  title = {Optical observations of flickering aurora and its
		  spatio-temporal characteristics},
  journal = {J.\ Geophys.\ Res.},
  year = 2008,
  volume = {113},
  pages = {A12317},
  month = dec,
  doi = {10.1029/2008JA013515},
  url = {http://www.agu.org/pubs/crossref/2008/2008JA013515.shtml},
  abstract = {Flickering aurora is characterized by optical emissions
		  varying in intensity with frequencies typically between 5
		  and 15 Hz. In this report we use high-speed narrow
		  field-of-view imaging in white light to determine the
		  intensity variation and the apparent motion of the
		  flickering spots. The characteristic patterns we find are
		  compared with the spatial patterns derived from
		  interference between electromagnetic ion-cyclotron waves.
		  It is found that good agreement is reached, which we argue
		  should make a strong rejection criterion for theories of
		  flickering aurora.},
  bgnote = {Accepted, in proofreading stage: manuscript number:
		  2008ja013515}
}
@article{gustavsson2009grl,
  author = {Gustavsson, B. and Newsome, R. and Leyser, T. B. and
		  Kosch, M. J. and Norin, L. and McCarrick, M. and Pedersen,
		  T. and Watkins, B. J.},
  title = {{F}irst {O}bservations of {X}-mode {S}uppression of
		  {O}-mode {HF} {E}nhancements at 6300 {\AA}},
  journal = {Geophys.\ Res.\ Lett.},
  year = {2009},
  optkey = {},
  optvolume = {},
  optnumber = {},
  optpages = {},
  optmonth = {},
  note = {Submitted, MS number: 2009GL037226},
  optannote = {}
}
@article{gustavsson2009rs,
  author = {Gustavsson, B. and Grydeland, T.},
  title = {Orthogonal-polarization alternating codes},
  journal = {Radio Sci.},
  year = {2009},
  optkey = {},
  optvolume = {},
  optnumber = {},
  optpages = {},
  optmonth = {},
  note = {Submitted, MS number: 2008RS004132},
  optannote = {}
}
@misc{gustavsson2010rcn,
  author = {Bengt Gustavsson and Nils O. Andersson and Elisabeth Bouchaud and Sandra Chapman and Johan Ellis and Hans Hertz and Emanuele Rimini},
  title = {{B}asic {P}hysics {R}esearch in {N}orway --- {A}n evaluation},
  howpublished = {The Research Council of Norway},
  year = 2010,
  note = {{ISBN}: 978-82-12-02752-7},
  url = {http://www.forskningsradet.no/publikasjoner}
}
@article{hallinan1985jgr,
  title = {Enhanced aurora},
  author = {T. J. Hallinan and H. C. {Stenbaek-Nielsen} and C. S.
		  Deehr},
  journal = {J.\ Geophys.\ Res.},
  year = 1985,
  month = sep,
  volume = 90,
  number = {A9},
  pages = {8461-8475},
  printstatus = {copy}
}
@article{hamill1991pt,
  author = {Patrick Hamill and Owen Brian Toon},
  title = {Polar stratospheric clouds and the ozone hole},
  journal = {Physics Today},
  year = 1991,
  month = dec,
  pages = {34--42},
  printstatus = {copy}
}
@book{hammarskjoeld1963,
  author = {Dag Hammarskjöld},
  title = {Vägmärken},
  publisher = {Albert Bonniers Förlag AB},
  year = 1963,
  note = {(In Swedish, reprinted 1999 {ISBN:9100571121})}
}
@book{hammarskjoeld1964,
  author = {Dag Hammarskjöld},
  title = {Markings},
  publisher = {Knopf},
  year = 1964,
  address = {New York},
  note = {(transl. by {Leif Sjöberg} and {W}. {H}. {A}uden, {ISBN:}
		  039443532X)}
}
@article{haslett1974rs,
  author = {J. C. Haslett and L. R. Megill},
  title = {A model of the enhanced airglow excited by {RF}-radiation},
  journal = {Radio Sci.},
  year = 1974,
  volume = 9,
  number = 11,
  pages = {1005--1019},
  month = nov,
  printstatus = {***UNKNOWN***}
}
@article{hecht1989jgr,
  author = {Hecht, J. H. and Christensen, A. B. and Strickland, D. J.
		  and Meier, R. R.},
  title = {Deducing composition and incident electron spectra from
		  ground-based auroral optical measurements: Variation in
		  oxygen density},
  journal = {J.\ Geophys.\ Res.},
  year = 1989,
  volume = 94,
  number = {A10},
  pages = {13553-13563},
  month = oct
}
@article{hecht1999jgr,
  author = {Hecht, J. H. and Christensen, A. B. and Strickland, D. J.
		  and Majeed, T. and Gattinger, R. L. and Vallance Jones, A.},
  title = {A comparison between auroral particle characteristics and
		  atmospheric composition inferred from analysing optical
		  emission measurements alone and in combination with
		  incoherent scatter radar measurements},
  journal = {J.\ Geophys.\ Res.},
  year = 1999,
  volume = 104,
  number = {A1},
  pages = {33-44},
  month = jan
}
@article{hecht2008jgr,
  title = {{Satellite and ground-based observations of auroral energy deposition and the effects on thermospheric composition during large geomagnetic storms: 1. Great geomagnetic storm of 20 November 2003}},
  author = {Hecht, JH and Mulligan, T. and Strickland, DJ and Kochenash, AJ and Murayama, Y. and Tanaka, YM and Evans, DS and Conde, MG and Donovan, EF and Rich, FJ and others},
  journal = {J.\ Geophys.\ Res.},
  volume = {113},
  number = {A1},
  year = {2008},
  publisher = {American Geophysical Union}
}
@article{henriksen1984anngeo,
  author = {K. Henriksen and W. Stoffregen and B. Lybekk and {\AA}.
		  Steen},
  title = {Photometer and spectrometer search of the oxygen green and
		  red lines during artificial ionospheric heating in the
		  auroral zones},
  journal = {Ann.\ Geophys.},
  year = 1984,
  volume = 2,
  number = 1,
  pages = {73--76},
  printstatus = {***UNKNOWN***}
}
@book{hernandez1986cam,
  author = {G. Hernandez},
  title = {Fabry-Perot Interferometers},
  publisher = {Cambridge University Press},
  year = 1986,
  note = {{ISBN:} 0-521-32238-3}
}
@inproceedings{hertel1989spie,
  author = {R. J. Hertel},
  title = {Signal and Noise Properties of Proximity Focused Image
		  Tubes},
  booktitle = {Ultrahigh Speed and High Speed Photography, Photonics and
		  Videography},
  pages = {332--343},
  year = 1989,
  editor = {G. L. Stradling},
  volume = 1155,
  organization = {{The {I}nternational {S}ociety for {O}ptical {E}ngineering}}
}
@article{hesstvedt1960geop,
  author = {E. Hesstvedt},
  title = {On the physics of mother of pearl clouds},
  journal = {Geofysiske Publikasjoner},
  year = 1960,
  volume = {XXI},
  number = 9,
  pages = {1--32}
}
@article{hoffner1999jgr,
  author = {Josef Höffner and Ulf von Zahn},
  title = {The 1996 {L}eonid shower as studied with a potassium
		  lidar: Observations and inferred meteoroid sizes},
  journal = {J.\ Geophys.\ Res.},
  year = 1999,
  volume = 104,
  number = {A2},
  pages = {2633--2643},
  month = feb,
  printstatus = {***UNKNOWN***}
}
@book{holst1998spie,
  author = {Gerald C. Holst},
  title = {CCD arrays, cameras and displays},
  publisher = {{The {I}nternational {S}ociety for {O}ptical {E}ngineering}},
  year = {1998},
  optkey = {},
  optvolume = {},
  optnumber = {},
  optseries = {},
  optaddress = {},
  edition = {Second},
  optmonth = {},
  note = {{ISBN:} 0-8194-2853-1 },
  optannote = {}
}
@book{howell2006cam,
  author = {Steve B. Howell},
  title = {{H}andbook of {CCD} {A}stronomy},
  publisher = {Cambridge University Press},
  year = 2006,
  note = {{ISBN} 0-521-61762-6}
}
@article{hunten1956jatp,
  author = {D. M. Hunten and F. E. Roach and J. W. Chamberlain},
  title = {A photometric unit for the aurora and airglow},
  journal = {J.\ Atmos.\ Terr.\ Phys.},
  year = 1956,
  volume = 8,
  pages = {345--346}
}
@techreport{hyppoenen1974fmi,
  title = {Digital all-sky camera},
  author = {M. Hypp{\"{o}}nen and R. Pellinen and C. Sucksdorff and R.
		  Torniainen},
  institution = {Finnish Meteorological Institute},
  year = 1974,
  address = {Helsinki},
  number = 9,
  printstatus = {***UNKNOWN***}
}
@unpublished{ivanov1992,
  author = {V. E. Ivanov and T. I. Sergienko},
  title = {Interaction of the auroral electrons with the atmospheric
		  gases. (The {M}onte-{C}arlo modelling)},
  note = {{N}akua, St. Petersburg, 1992},
  year = 1992
}
@article{janesick1987oe,
  author = {James R. Janesick and Tom Elliott and Stewart Collins and
		  Morley M. Blouke and Jack Freeman},
  title = {Scientific charge-coupled devices},
  journal = {Optical Engineering},
  year = 1987,
  volume = 26,
  number = 8,
  pages = {692--714},
  month = aug,
  printstatus = {copy}
}
@techreport{johansson1991irf,
  author = {Henrik Johansson},
  title = {Station software for {ALIS}},
  institution = {Swedish Institute of Space Physics},
  year = 1991,
  number = 036,
  month = aug,
  note = {{ISSN 0284-1738}},
  type = {{IRF} {T}ech.\ {R}eport},
  alis = {johansson1991irf}
}
@book{jones1974reidel,
  author = {Alister Vallance Jones},
  title = {Aurora},
  publisher = {D.\ Reidel Publishing Company},
  year = 1974,
  volume = 9,
  series = {Geophysics and astrophysics monographs},
  month = dec,
  note = {{ISBN:} 90-277-0272-1}
}
@article{kaila1987pss,
  title = {An iterative method for calculating the altitudes and
		  positions of auroras along the arc},
  author = {K. U. Kaila},
  journal = {Planet.\ Space Sci.},
  year = 1987,
  volume = 35,
  number = 2,
  pages = {245-258},
  printstatus = {***UNKNOWN***}
}
@article{kaila2000pce,
  author = {Kari U. Kaila and Hannu J. Holma},
  title = {Absolute calibration of photometer},
  journal = {Phys.\ Chem.\ Earth},
  year = 2000,
  volume = {B(25)},
  number = {5--6},
  pages = {467--470}
}
@article{kero2008ag,
  author = {J. Kero and C. Szasz and A. Pellinen-Wannberg and G. Wannberg and A. Westman and D. D. Meisel},
  title = {{D}etermination of meteoroid physical properties from tristatic radar observations},
  journal = {Ann.\ Geophys.},
  year = {2008},
  optkey = {},
  optvolume = {},
  optnumber = {},
  optpages = {},
  optmonth = {},
  optnote = {},
  optannote = {}
}
@phdthesis{kero2008irf,
  author = {Johan Kero},
  title = {{H}igh-resolution meteor exploration with tristatic radar methods},
  school = {Swedish Institute of Space Physics},
  year = {2008},
  optkey = {},
  opttype = {},
  address = {Kiruna},
  optmonth = {},
  optnote = {},
  optannote = {}
}
@inproceedings{kinser1997eann,
  author = {Jason M. Kinser and Thomas Lindblad},
  title = {Detection of microcalcifications by cortical stimulation},
  booktitle = {Proceedings EANN'97 Neural networks in engineering
		  systems},
  pages = {203--206},
  year = 1997,
  editor = {A.B. Bulsari and S. Kallio},
  note = {{ISBN:} 952908667-9}
}
@article{kirillov2008ag,
  title = {{Electronically excited molecular nitrogen and molecular oxygen in the high-latitude upper atmosphere}},
  author = {Kirillov, AS},
  journal = {Ann.\ Geophys.},
  volume = {26},
  pages = {1159--1169},
  year = {2008}
}
@article{klaasen1997oe,
  author = {Kenneth P. Klaasen and Michael J. S. Belton and H. Herbert
		  Breneman and Alfred S. McEwen and Merton E. Davies and
		  Robert J. Sullivan and Clark R. Chapman and Gerhard Neukum
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