00455nam a2200169   450000500170000000600040001700700040002100800040002504000090002905000200003810000180005824500790007626000490015530000230020450000190022765000390024620170721103811.0000000000  aUOEL  aTK6638.A4b.B32  aBarnouw, Erik  aTube of Plenty :bThe evolution of american television /cBy Erik Barnouw.  aNew York :bOxford University Press,cc1975.  avi, 518 p. :bill.  aincludes index  aElectrical engineeringxTechnology