Our unknown planet
By: the World Meteorological Organization and the International Geophysical Year.
Publisher: [United Nations Dept. of Public Information
Published: 1957
Place of publication: New York
Language: eng
Number of pages: 16
Subjects: World Meteorological Organization.; International Geophysical Year, 1957-1958.
Notes: "Sales number: 1957.I.13."
"Reprinted from the United Nations review, February 1957."