000 00269nam a2200121Ia 4500
008 161018s9999 xx 000 0 und d
100 _aPrabu, S
245 _aCommunication Theory
250 _a3ed
260 _bBharathi
300 _a7.110P.
_bRs:245
490 _a18429
999 _c18429
_d18429