000 00330nam a2200133Ia 4500
100 _aHancock/john C
942 _cBK
654 _acommunication
245 _aIntroduction to the principles of communication theory
260 _bTata Mc Graw hill
_aNew Delhi
_c1987
082 _a621.38
_bHAN
300 _a253
546 _aENGLISH
999 _c23356
_d23356