The planet earth /
A Scientific American book .
- New York : Simon and Schuster, c1957.
- viii, 168 p. : illus. ; 20 cm.
Includes Index.
57007947
Geophysics.
International Geophysical Year, 1957-1958.
Earth (Planet)
QC806 / .S37
525 / AMP
Includes Index.
57007947
Geophysics.
International Geophysical Year, 1957-1958.
Earth (Planet)
QC806 / .S37
525 / AMP