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200 1 $aIntroductory economics$fBarry Harrison, Charles Smith, Brinley Davies
210   $aLondon$cMacmillan$d1992.
215   $aXVI, 400 p.$d27 cm
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181   $2rdacontent
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200 10$aCommunication theory aspects of television bandwidth conservation /$fby William C. Coombs
210  1$aWashington, D.C. :$cNational Bureau of Standards, United States Department of Commerce, Office of Technical Services,$d1959.
215   $a1 online resource (26 pages)
225 1 $aNational Bureau of Standards technical note ;$v25
300   $aTitle from title screen (viewed Mar. 5, 2014).
300   $a"Boulder Laboratories"--Cover.
300   $a"August 1959."
320   $aIncludes bibliographical references (page 26).
606   $aTelevision frequency allocation
615  0$aTelevision frequency allocation.
700   $aCoombs$b William C.$01395349
712 02$aUnited States.$bNational Bureau of Standards,
712 02$aBoulder Laboratories (U.S.),
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