000 00291nam a2200121Ia 4500
008 190722s9999 xx 000 0 und d
020 _a978-0-07-132117-4
100 _aCarlson Crilly
245 0 _aCommunication Systems
260 _aIndia
_bMC Graw Hill
_c2011
300 _a924
942 _cBK
999 _c77
_d77