000 005110000a22001810004500
245 _aTelecommunications : an introduction to electronic media
100 _aGross, Lynne Schafer
250 _a7th ed.
260 _aBoston
_bMcGraw-Hill
_c2000
300 _axxv, 438p. : photos
440 _aMcgraw-Hill series in mass communication & journalism
020 _a0697355063
080 _a621.39
_bG7
650 _aTELECOMMUNICATION
650 _aELECTRONIC TRNSMISSION
041 _aEN
942 _cBK
_01
999 _c29984
_d29984