A modification of the Mercury datum
Subtitle: Fischer 1968
By: by Irene Fischer
Contributors: United States. Army Map Service
Series: Technical report -- no. 67; Technical report (Army Map Service (U.S.)) -- no. 67
Publisher: Army Map Service
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 44
Subjects: Artificial satellites; Geodesy
Notes: "June 1968."

Cover title.

Includes bibliographical references.