Konferenzbeitrag
Markiewicz, W. J.; Keller, H. U.; Petrova, E.; Thomas, N.; Wuttke, M. W.: Water ice in the Martian atmosphere as derived from the PHOBOS/KRFM data. In: LPI Technical Report Number 96-01, Part 1, S. 32 - 33 (Hg. Jakowsky, B.; Treiman, A.). Lunar and Planetary Institute, Houston, Texas, USA (1996)