The atmosphere of the primitive earth and the prebiotic synthesis of organic compounds
The Antarctic cold desert and the search for traces of life on Mars
Survey of earth orbital telescopes and their potential for exobiology
Succession in a microbial mat community - A Gaian perspective
Studies on precellular evolution - The encapsulation of polyribonucleotides by liposomes
Stable carbon isotope fractionation in the search for life on early Mars
Space Station gas-grain simulation facility - Application to exobiology
Space life sciences: gravity-related processes in plants
Search for and investigation of extraterrestrial forms of life