A decimal classification of radio subjects-- an extension of the Dewey system. March 21, 1923 ...
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Corporate author / creator: | United States. National Bureau of Standards |
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Imprint: | Washington, Govt. print. off., 1923. |
Description: | 1 p. l., 33 p. 26 cm. |
Language: | English |
Series: | Circular of the Bureau of Standards no. 138 |
Subject: | |
Format: | U.S. Federal Government Document Print Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3943679 |
Mansueto
Call Number: |
QC100.U55 no.138
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