000 004780000a22001930004500
245 _aElectronic communications
100 _aRoddy, Dennis
100 _aCoolen, John
250 _a4th ed.
260 _aNew Delhi
_bPrentice-Hall
_c2006
300 _aix, 820p. : ill.
500 _aIndex included.
020 _a8120309847
080 _a621.391
_bR6
650 _aELECTRONIC COMMUNICATION SYSTEMS
650 _aDIGITAL COMMUNICATION
041 _aEN
942 _cBK
999 _c26985
_d26985