Preliminary estimates of galactic cosmic ray shielding requirements for manned interplanetary mission
By: Lawrence W. Townsend, John W. Wilson, and John E. Nealy.
Contributors: Wilson, John W. 1940-; Nealy, John E.; Langley Research Center.
Series: NASA technical memorandum -- 101516.
Publisher: National Aeronautics and Space Administration, Langley Research Center
Published: 1989
Place of publication: Hampton, Va
Language: eng
Format: Microform
Subjects: Cosmic rays.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1989. 1 microfiche.