ID:DA11906258
International Scientific Radio Union. Special Commission for the International Geophysical Year
International Scientific Radio Union. Committee for the International Geophysical Year
URSI/AGI Committee
U.R.S.I./A.G.I. Committee
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Scientific editor: W.J.G. Beynon
Elsevier Pub. Co. 1960 URSI monographs
Available at 15 libraries