00771nam a2200217 a 45000010008000000030008000080050017000160080041000330100017000740200015000910400031001060820018001371000020001552450169001752500012003442600039003563000034003955040054004296500033004837000037005161983576BD-DhUL20170420182926.0890703s1990    maua     b    001 0 eng    a   89080939   a0395432537  aDLCcBD-DhULdDLCdBD-DhUL  a384.5409bHEA1 aHead, Sydney W.10aBroadcasting in America :ba survey of electronic media /cSydney W. Head, Christopher H. Sterling ; with contributions by Susan Tyler Eastman, Lemuel B. Schofield.  a6th ed.  aBoston :bHoughton Mifflin,c1990.  axxi, 615 p. :bill. ;c24 cm.  aIncludes bibliographical references (p. 549-578). 0aBroadcastingzUnited States.1 aSterling, Christopher H.,d1943-