Three ways to treat the IGRF on the earth's surface /

Bibliographic Details
Main Author: Kahle, Anne B.
Corporate Author: Rand Corporation
Format: Book
Language:English
Published: Santa Monica, Calif. : Rand Corp., [1968]
Subjects:
Description
Item Description:Cover title.
"October 1968."
"P-3955."
Physical Description:8 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references (page 6).