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200 00$aCurrent
210   $a[Washington, etc.$cHeldref Publications, etc.]
215   $a1 online resource
300   $a"The new thinking from all sources on the frontier problems of today."
300   $aPublished: Philadelphia, PA : Taylor & Francis Group, LLC, <June 2014->
300   $aEditor: 1960-<July 1963> S. Hertzberg.
311 08$aPrint version: Current. 0011-3131 (DLC)   63024770  (OCoLC)1565595 
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702   $aHertzberg$b Sidney$f1910-1984,
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