'SCIENCE NOTES; Effects of Radiation Weighed -- Closer Look at Venus', New York Times
Tags: 1950s; 1958; 1958-4-6
'SCIENCE IN REVIEW; Sun Aids Studies of Geophysical Year by Putting on One of Its Greatest Shows', New York Times
Tags: 1950s; 1958; 1958-4-6; Laurence, William L.
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