Recent revision of Senecioneae and Calenduleae systematics
The implantation of life on Mars - Feasibility and motivation
The use of mineral crystals as bio-markers in the search for life on Mars
Microgravity particle research on the Space Station - The gas-grain simulation facility
Molecular aspects of adaptation to extreme cold environments
Space Station gas-grain simulation facility - Application to exobiology
Succession in a microbial mat community - A Gaian perspective
A quarantine protocol for analysis of returned extraterrestrial samples
The Voyager mission and the origin of life - Selected references
Lessons from a controversial experiment
Biological nitrogen fixation under primordial Martian partial pressures of dinitrogen