Report.
Material type:
TextAnalytics: Show analyticsPublication details: [Washington? 1947]Description: 2, 2, 3 l., 59, 32 p. illus. 28 cmSubject(s): DDC classification: - 574.1072
- QH505 .S92
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Cover title.
"Sponsored by the Committee on Growth of the National Research Council."
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