Concerning alpha at seven earth radii
By: E.C. Ray.
Contributors: Rand Corporation.
Series: Memorandum -- RM-4441-NASA; Research memorandum (Rand Corporation) -- RM-4441-NASA..
Publisher: Rand Corporation
Published: 1965
Place of publication: Santa Monica, Calif
Language: eng
Subjects: Geomagnetism.
Notes: "January 1965."

Includes bibliographical references (p. 5).