Interplanetary travel
Subtitle: is gravity needed to close the loop?
By: Joan Vernikos-Danellis.
Contributors: Ames Research Center.
Series: NASA technical memorandum -- 101013
Publisher: National Aeronautics and Space Administration, Ames Research Center; For sale by the National Technical Information Service
Published: 1988
Place of publication: Moffett Field, Calif; [Springfield, Va
Language: eng
Format: Microform
Subjects: Hypokinesia.; Space flight -- Physiological effect.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1988. 1 microfiche.