International geophysical calendars, 1957-1969
By: by A.H. Shapley and J.V. Lincoln ; prepared by Research Laboratories, ESSA
Contributors: Lincoln, J. Virginia; United States. Environmental Science Services Administration. Research Laboratories
Series: Report UAG -- 6
Publisher: U.S. Dept. of Commerce, Environmental Science Services Administration, Environmental Data Service; Available from] Supt. of Docs., Govt. Print. Off.
Published: 1969
Place of publication: Asheville, N.C; Washington
Language: eng
Number of pages: 25
Subjects: Geophysics; Observations
Notes: "March 1969."

Includes bibliographical references.