Tu, C.-Y.; Marsch, E.; Wilhelm, K.: Ion Temperatures as Observed in a Solar Coronal Hole. Space Science Reviews 87, pp. 331 - 334 (1999)

Vasyliūnas, V. M.: A note on current closure. Journal Geophysical Research 104, pp. 25143 - 25144 (1999)

Voiculescu, M.; Haldoupis, C.; Schlegel, K.: Evidence for planetary wave effects on midlatitude backscatter and sporadic E layer occurrence. Geophysical Research Letters 26 (8), pp. 1105 - 1108 (1999)

Wegmann, R.; Jockers, K.; Bonev, T.: H₂O⁺ ions in comets: models and observations. Planetary and Space Science 47, pp. 745 - 763 (1999)

Wehry, A.; Mann, I.: Identification of β-meteoroids from measurements of the dust detector onboard the Ulysses spacecraft. Astronomy and Astrophysics 341, pp. 296 - 303 (1999)

Wiik, J. E.; Dammasch, I. E.; Schmieder, B.; Wilhelm, K.: Multiple-thread model of a prominence observed by SUMER and EIT on SOHO. Solar Physics 187, pp. 405 - 426 (1999)

Wilhelm, K.: The darkest regions of solar polar coronal holes observed by SUMER on SOHO. Astrophysics and Space Science 264, pp. 43 - 52 (1999)

Wilhelm, K.; Dammasch, I. E.: SUMER sieht Ursprung des schnellen Sonnenwindes. Sterne unda Weltraum 38 (5/99), pp. 430 - 431 (1999)

Wilhelm, K.; Lemaire, P.; Dammasch, I. E.; Hollandt, J.; Schühle, U.; Curdt, W.; Kucera, T.; Hassler, D. M.; Huber, M. C. E.: Solar irradiances of UV and EUV lines during the minimum of the sunspot activity in 1996. Advances in Space Research 24, pp. 229 - 232 (1999)

Wilhelm, K.; the Consortium, S.: Beobachtungen der ruhigen Sonne im ultravioletten Licht. Sterne und Weltraum 38 (2/99), pp. 131 - 137 (1999)

Wilhelm, K.; Woods, T. N.; Schühle, U.; Curdt, W.; Lemaire, P.; Rottman, G. J.: The solar ultraviolet spectrum from 1200 Å to 1560 Å: A radiometric comparison between SUMER/SOHO and SOLSTICE/UARS. Astronomy and Astrophysics 352, pp. 321 - 326 (1999)

Wilken, B.; Zong, Q.-G.; Reeves, G. D.; Doke, T.; Yamamoto, T.: Geoactivity in response to CIR/CME events-a synoptic view. Physics and Chemistry of the Earth 24, pp. 113 - 117 (1999)

Witte, M.; Bleszynski, S.; Banaskiewicz, M.; Rosenbauer, H.: Sputtering efficiency of LiF surfaces on impact of low energy neutral helium (20-80 eV): Calibration of the interstellar helium instrument on Ulysses. Review of Scientific Instruments 70 (11), pp. 4404 - 4411 (1999)

Witte, M.; Bleszynski, S.; Banaszkiewicz, M.; Rosenbauer, H.: Sputtering efficiency of LiF surfaces on impact of low energy neutral helium (20-80 eV): Calibration of the interstellar neutral helium instrument on ULYSSES. Review of Scientific Instruments 70 (11), pp. 4404 - 4411 (1999)

Woch, J.; Krupp, N.; Khurana, K. K.; Kivelson, M. G.; Roux, A.; Perraut, S.; Louarn, P.; Lagg, A.; Williams, D. J.; Livi, S. et al.; Wilken, B.: Plasma sheet dynamics in the Jovian magnetotail: Signatures for substorm-like processes? Geophysical Research Letters 26 (14), pp. 2137 - 2140 (1999)

Woodward, T. I.; McKenzie, J. F.: Stationary incompressible MHD perturbations generated by a current source in a moving plasma. Planetary and Space Science 47, pp. 545 - 555 (1999)

Wurz, P.; Aellig, M. R.; Ipavich, F. M.; Hefti, S.; Bochsler, P.; Galvin, A. B.; Grünwaldt, H.; Hilchenbach, M.; Gliem, F.; Hovestadt, D.: The iron, silicon, and oxygen abundance in the solar wind measured with SOHO/CELIAS/MTOF. Physics and Chemistry of the Earth 24C (4), pp. 421 - 426 (1999)

Wuttke, M. W.: Typenblatt: Ereignis Weltraum/Mars Polar Lander. Raumfahrt Concret 3 (1999)

Zakharov, V. E.; Meister, C.-V.: Transport of thermal plasma above the auroral ionosphere in the presence of electrostatic ion-cyclotron turbulence. Annales Geophysicae 17 (1), pp. 27 - 36 (1999)

Zidowitz, S.: Coronal structures of the Whole Sun Month. Journal Geophysical Research 104, pp. 9727 - 9734 (1999)