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61
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62Published 1926“...National Bureau of Standards circular ;...”
Book -
63Published 1932“...National Bureau of Standards circular ;...”
Book -
64Published 1954“...National Bureau of Standards circular ;...”
Conference Proceeding Book -
65Published 1937“...National Bureau of Standards circular ;...”
Book -
66Published 1947“...National Bureau of Standards circular ;...”
Book -
67
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68Published 1923“...National Bureau of Standards circular ;...”
Book -
69by Everhart, John Laurence, 1903-“...National Bureau of Standards circular ;...”
Published 1943
Book -
70
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71Published 1957“...National Bureau of Standards circular ;...”
Conference Proceeding Book -
72
-
73
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74by Sanford, Raymond Laraway, 1884-“...National Bureau of Standards circular ;...”
Published 1946
Book -
75by Sanford, Raymond Laraway, 1884-“...National Bureau of Standards circular ;...”
Published 1944
Book -
76
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77by Carson, Frederick Thomas, 1893-“...National Bureau of Standards circular ;...”
Published 1946
Book -
78Published 1943“...National Bureau of Standards circular ;...”
Book -
79by Carson, Frederick Thomas, 1893-“...National Bureau of Standards circular ;...”
Published 1944
Book -
80