Search for viable organisms in lunar samples: Gas changes over Apollo 14 fines wet by aqueous media
Isolation of carbohydrate-metabolizing, extremely halophilic bacteria
Nuclear-cytoplasmic interactions in amoeba interspecific hybrids
The intruder hypothesis and selection against arginine
Response of selected microorganisms to experimental planetary environments
Nonprevalence of biochemical fossils in kerogen from pre-Phanerozoic sediments
Species-specific effects and the evolutionary clock: A reply to Penny
Microbiological sampling of the spacecraft atmosphere during a simulated Skylab mission