Author: National Research Council (U.S.). Steering Group for the Workshop on Size Limits of Very Small Microorganisms.; National Research Council (U.S.). Space Studies Board
Author: National Research Council (U.S.). Committee on Preventing the Forward Contamination of Mars.; National Research Council (U.S.). Space Studies Board.; National Research Council (U.S.). Division on Engineering and Physical Sciences
Author: National Research Council; Division on Engineering and Physical Sciences; Aeronautics and Space Engineering Board; Space Studies Board; Committee on the Rationale and Goals of the U.S. Civil Space Program