000 00424nam a22001577a 4500
005 20220518142922.0
008 100531t xxu||||| |||| 00| 0 eng d
020 _a0070993416
082 _a621.382
_bHAN
100 _aHancock,John C
245 _aAn introduction to the principles of communication theory
260 _aNew Delhi
_bTata McGraw Hill
_c1961
300 _ax,253p.
653 _acommunication theory
942 _cBK
999 _c222466
_d222466