000 00336nam a2200157Ia 4500
100 _aSchilling/Taub
250 _a2
942 _cBK
654 _acommunication
245 _aPrinciples of Communication system
260 _bTata Mc Graw hill
_c1986
082 _a621.382
_bSCH
300 _a759
546 _aENGLISH
999 _c34401
_d34401