Current status of chemical studies on the origin of life Cyril PonnamperumaNorman W. Gabel OriginalPaper Pages: 64 - 96
A program for the study of long-term adaptation to a weightless environment providing three-dimensional freedom of movement J. P. MeehanJ. P. Henry OriginalPaper Pages: 97 - 112
The response of spore-forming vs. nonspore-forming bacteria to diurnal freezing and thawing R. S. YoungP. H. DealO. Whitfield OriginalPaper Pages: 113 - 117
Survival of micro-organisms in space Peter R. LorenzJohn HotchinDouglas S. Hallgren OriginalPaper Pages: 118 - 130
Biochemical activity and water: The activity of heme enzymes in non-aqueous media S. M. SiegelKaren Roberts OriginalPaper Pages: 131 - 134
A multi-stage decision model for mission non-contamination requirements C. A. Trauth Jr. OriginalPaper Pages: 135 - 149
On logarithmic extrapolation of microbial survivor curves for planetary quarantine requirements J. P. Brannen Research Note Pages: 150 - 152