000 00315nam a2200133Ia 4500
020 _a9780070648111
100 _aHerbert Taub
245 _aPrinciples of communication systems
250 _a3
260 _c2008
_bTMH
_aNew Delhi
300 _axiii+842
700 _aDonald L Schilling
_aGoutam Saha
942 _cBK
999 _c22890
_d22890