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Jakowsky, N.; Jungstand, A.; Schlegel, K.; Kohl, H.; Rinnert, K.: Zur Entwicklung und Ausbreitung eines ionosphärischen Sturms am 28./29. Juli 1987. Kleinheubacher Berichte 34, pp. 229 - 237 (1991)

Jones, B.; Williams, P. J. S.; Schlegel, K.; Robinson, T.; Häggström, I.: Interpretation of enhanced electron temperatures measured in the auroral E-region during the ERRRIS campaign. Annales Geophysicae 9, pp. 55 - 59 (1991)

Keller, H. U.; Markiewicz, W. J.: KOSI? Geophysical Research Letters 18 (2), pp. 249 - 252 (1991)

Kirsch, E.; Keppler, E.; Witte, M.; Rosenbauer, H.; Livi, S.; Schwingenschuh, K.; McKenna-Lawlor, S. M. P.; Afonin, V. V.; O'Sullivan, D.; Thompson, A.: Pick-up ions (E_o+ > 55 keV) measured near Mars by Phobos-2 in February/March 1989. Annales Geophysicae 9, pp. 761 - 767 (1991)

Kirsch, E.; Keppler, E.; Witte, M.; Rosenbauer, H.; Livi, S.; Schwingenshuh, K.; McKenna-Lawlor, S.; Afonin, V. V.; O'Sullivan, D.; Thompson, A.: Pickup ions ( E O+ > 55 keV) measured near Mars by Phobos-2 in February/March 1989. Annales Geophysicae 9, pp. 761 - 767 (1991)

Klostermeyer, J.: Two- and three-dimensional parametric instabilites in finite-amplitude internal gravity waves. Geophys. Astrophys. Fluid Dyn. 61, pp. 1 - 25 (1991)

Kochan, H.; Markiewicz, W. J.; Keller, H. U.: KOSI: Gas drag derived from ice/dust-particle trajectories. Geophysical Research Letters 18 (2), pp. 273 - 276 (1991)

Kozochkina, A. A.; Leonas, V. B.; Witte, M.: Probabilities of multiple electron emission from thin (∼ 50Å) carbon foils after impact of neutral oxygen at energies between 30 and 200 keV. Nucl. Instr. Meth. B62, pp. 51 - 57 (1991)

Kunitake, M.; Schlegel, K.: Neutral winds in the lower thermosphere at high latitudes from five years of EISCAT data. Annales Geophysicae 9, pp. 143 - 155 (1991)

Larsen, M. F.; Röttger, J.: VHF radar measurements of in-beam incidence angles and associated vertical-beam radial velocity corrections. J. Atmos. Ocean. Techn. 8, pp. 477 - 490 (1991)

Liu, C. H.; Röttger, J.; Dester, G.; Franke, S. J.; Pan, C.-J.: The oblique spaced antenna method for measuring the atmospheric wind field. J. Atmos. Ocean. Techn. 8, pp. 247 - 258 (1991)

Lundin, R.; Sandahl, I.; Woch, J.; Elphinstone, R.: The contribution of the boundary layer EMF to magnetospheric substorms, in magnetospheric substorms. Geophysical Monograph, p. 355 (1991)

Markiewicz, W. J.; Mizuno, H.; Völk, H. J.: Turbulende induced relative velocity between two grains. Astronomy and Astrophysics 242, pp. 286 - 289 (1991)

Marsden, R. G.; Wenzel, K.-P.; Afonin, V. V.; Gringauz, K.; Witte, M.; Richter, A. K.; Erdoes, G.; Somogyi, A. J.; Varga, A.; Varhalmi, L.: Energetic particle composition measurements from PHOBOS 2: Results of the LET experiment. Planetary and Space Science 39, pp. 57 - 66 (1991)

Marvlag, E.; Scourfield, M. W. J.; Walker, A. D. M.; Sutcliefe, P. R.; Nielsen, E.: Simultaneous observations of omega band related phenomena in both hemispheres. Journal of Atmospheric and Terrestrial Physics 53, pp. 309 - 317 (1991)

McCrea, I. W.; Schlegel, K.; Nygrén, T.; Jones, T. B.: COSCAT, a new auroral radar facility on 930 MHz-system description and first results. Annales Geophysicae 9, pp. 461 - 469 (1991)

McKenna-Lawlor, S. M. P.; Afonin, V. V.; Gringauz, K. I.; Keppler, E.; Kirsch, E.; Richter, A. K.; Witte, M.; O'Sullivan, D.; Thompson, A.; Kecskemety, K. et al.; Somogyi, A. J.; Szabo, L.; Varga, A.: Interplanetary variability recorded by the SLED instrument aboard the PHOBOS spacecraft during that period of solar cycle 22 characterized by a transition from solar minimum - to solar maximum dominated conditions. Planetary and Space Science 39, pp. 47 - 56 (1991)

McKenna-Lawlor, S. M. P.; Afonin, V. V.; Gringauz, K. I.; Keppler, E.; Kirsch, E.; Richter, A. K.; Witte, M.; O'Sullivan, D.; Thompson, A.; Kecskemety, K. et al.; Somogyi, A. J.; Szabo, L.; Varga, A.; Marsden, R.: Interplanetary variability in particle fluxes recorded by the low enrgy charged particle detector SLED (∼30 keV-30 MeV) during the cruise phase of the PHOBOS mission to Mars and its moons. Annales Geophysicae 9, pp. 348 - 356 (1991)

McKenna-Lawlor, S. M. P.; Afonin, V. V.; Gringauz, K. I.; Keppler, E.; Kirsch, E.; Richter, A. K.; Witte, M.; O'Sullivan, D.; Thompson, A.; Kecskemety, K. et al.; Somogyi, A. J.; Szabo, L.; Varga, A.: Interplanetary variability recorded by the SLED instrument aboard the PHOBOS spacecraft during that period of solar cycle 22 characterized by a transient from solar minimum - to solar maximum dominated conditions. Planetary and Space Science 38 (1/2) (1991)