1. Urease reaction rates at low water activity

   • J. Skujiņš
   • A. D. McLaren

   OriginalPaper Pages: 3 - 11

2. Survival of microorganisms in a simulated Martian environment

   • R. H. Green
   • D. M. Taylor
   • R. L. Olson

   OriginalPaper Pages: 12 - 24

3. Behavioral responses to linear accelerations in blind goldfish

   • R. J. von Baumgarten
   • G. Baldrighi
   • G. L. Shillinger Jr.

   OriginalPaper Pages: 25 - 33

4. On the unlikelihood of non-aqueous biosystems

   • R. A. Horne

   OriginalPaper Pages: 34 - 41

5. Survival of blue-green algae under primitive atmospheric conditions

   • R. R. Stoecker

   OriginalPaper Pages: 42 - 45

6. Exponential decontamination models for count data

   • Richard G. Cornell
   • Ashok K. Bansal

   OriginalPaper Pages: 46 - 53

7. Polypeptides from the condensation of amino acid adenylates

   • P. W. Banda
   • C. Ponnamperuma

   OriginalPaper Pages: 54 - 62

8. A computerized bacterial identification system as applied to planetary quarantine

   • R. T. Dillon
   • Diane Holdridge
   • G. S. Oxborrow

   OriginalPaper Pages: 63 - 84

9. Errata

   Erratum Pages: 85 - 85