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Kallenbach, R.; Ipavich, F. M.; Kucharek, H.; Bochsler, P.; Galvin, A. B.; Geiss, J.; Gliem, F.; Gloeckler, G.; Grünwaldt, H.; Hefti, S. et al.; Hovestadt, D.; Hilchenbach, M.: Fractionation of Si, Ne, and Mg isotopes in the solar wind as measured by SOHO/CELIAS/MTOF. Space Science Reviews 85, S. 357 - 370 (1998)

Kistler, L. M.; Möbius, E.; Popecki, M. A.; Klecker, B.; Paschmann, G.; Baumjohann, W.; Haerendel, G.; Sauvaud, J. A.; Réme, H.; DiLellis, A. M. et al.; Cerulli, R.; Cattaneo, M. B. B.; Korth, A.; Eliasson, L.; Carlson, C. W.; McCarthy, M.; Parks, G. K.: Equator-S observations of O⁺ beams in the dayside magnetosphere. Physics of Space Plasmas (15), S. 203 - 207 (1998)

Kofman, W.; Barbin, Y.; Klinger, J.; Levasseur-Regourd, A.-C.; Barriot, J.-P.; Hérique, A.; Hagfors, T.; Nielsen, E.; Grün, E.; Edenhofer, P. et al.; Kochan, H.; Picardi, G.; Seu, R.; van Zyl, J.; Elachi, C.; Melosh, J.; Veverka, J.; Weissman, P.; Svedhem, L. H.; Hamran, S. E.; Williams, I. P.: Comet nucleus sounding experiment by radiowave transmission. Advances in Space Research 21, S. 1589 - 1598 (1998)

Kosch, M. J.; Hagfors, T.; Nielsen, E.: A new digital all-sky imager experiment for optical auroral studies in conjunction with the Scandinavian twin auroral radar experiment. Review of Scientific Instruments 69, S. 578 - 584 (1998)

Kosch, M. J.; Scourfield, M. W. J.; Nielsen, E.: A self-consistent explanation for a plasma flow vortex associated with the brightening of an auroral arc. Journal Geophysical Research 103, S. 29383 - 29391 (1998)

Kramm, J. R.; Thomas, N.; Keller, H. U.; Smith, P. H.: The CCD imager electronics of the Mars Pathfinder and Mars Surveyor cameras. IEEE Trans. Instr. Meas. 47 (5), S. 1112 - 1118 (1998)

Krupp, N.; Woch, J.; Lagg, A.; Wilken, B.; Livi, S.; Williams, D. J.: Energetic particle bursts in the predawn Jovian magnetosphere. Geophysical Research Letters 25 (8), S. 1249 - 1252 (1998)

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Lagg, A.; Krupp, N.; Woch, J.; Livi, S.; Wilken, B.; Williams, D. J.: Determination of the neutral number density in the Io-torus from Galileo-EPD measurements. Geophysical Research Letters 25 (21), S. 4039 - 4042 (1998)

Lamy, P. L.; Toth, I.; Jorda, L.; Weaver, H. A.; A'Hearn, M. F.: The nucleus and inner coma of comet 46P/Wirtanen. Astronomy and Astrophysics 335, S. L25 - L29 (1998)

Lazutin, L. L.; Rasinkangas, R.; Kozelova, T. V.; Korth, A.; Singer, H.; Reeves, G.; Riedler, W.; Torkar, K.; Gvozdevsky, B. B.: Observations of substorm fine structure. Annales Geophysicae 16 (7), S. 775 - 786 (1998)

Lellouch, E.; Crovisier, J.; Lim, T.; Bockelee-Morvan, D.; Leech, K.; Hanner, M. S.; Altieri, B.; Schmitt, B.; Trotta, F.; Keller, H. U.: Evidence for water ice and estimate of dust production rate in comet Hale-Bopp at 2.9 AU from the Sun. Astronomy and Astrophysics 339, S. L9 - L12 (1998)

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Lichtenegger, H.; Dubinin, E.: Model calculations of the planetary ion distribution in the Martian tail. Earth, Planets and Space 50, S. 445 - 452 (1998)

Mall, U.; Fichtner, H.; Kirsch, E.; Hamilton, D. C.; Rucinski, D.: Cassini as a heliospheric probe - the potential of pick-up ion measurements during its cruise phase. Planetary and Space Science 46 (9/10), S. 1375 - 1382 (1998)

Mall, U.; Kirsch, E.; Cierpka, K.; Wilken, B.; Söding, A.; Neubauer, F.; Gloeckler, G.; Galvin, A.: Direct observation of lunar pick-up ions near the Moon. Geophysical Research Letters 25 (20), S. 3799 - 3802 (1998)

Markiewicz, W. J.; Skorov, Y.; Keller, H. U.: The shape of a sublimating ice surface at the bottom of a non-volatie cylinder: Monte Carlo simulations and 2-D analysis. Advances in Space Research 21, S. 1599 - 1602 (1998)

Markiewicz, W. J.; Skorov, Y. V.; Keller, H. U.; Kömle, N. I.: Evolution of ice surfaces within porous near-surface layers on cometary nuclei. Planetary and Space Science 46, S. 357 - 366 (1998)

Mauk, B. H.; McEntire, R. W.; Williams, D. J.; Lagg, A.; Roelof, E. C.; Krimigis, S. M.; Armstrong, T. P.; Fritz, T. A.; Lanzerotti, L. J.; Roederer, J. G. et al.; Wilken, B.: Galileo-measured depletion of near-Io hot ring current plasmas since the voyager epoch. Journal Geophysical Research 103, S. 4715 - 4722 (1998)