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1by Plitt, Thora Marggraff, 1902-“...National Bureau of Standards circular ;...”
Published 1939
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2by Everhart, John Laurence, 1903-“...National Bureau of Standards circular ;...”
Published 1943
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3by Carson, Frederick Thomas, 1893-“...National Bureau of Standards circular ;...”
Published 1946
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4by Carson, Frederick Thomas, 1893-“...National Bureau of Standards circular ;...”
Published 1944
Book -
5Published 1929“...National Bureau of Standards circular ;...”
Book