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Search results for "class periods"

Filters: Biology and Life Sciences Biology and Life Sciences × Space Studies Board SSB ×
Viewing 1 - 4 of 4 results by relevance
Consensus Study Report

The Search for Life's Origins: Progress and Future Directions in Planetary Biology and Chemical Evolution  (1990)

Evaluating the Biological Potential in Samples Returned from Planetary Satellites and Small Solar System Bodies: Framework for Decision Making  (1998)

Proceedings

Size Limits of Very Small Microorganisms: Proceedings of a Workshop  (1999)

Consensus Study Report

Exploring Organic Environments in the Solar System  (2007)