000 00407nam a2200133Ia 4500
008 210917s9999 xx 000 0 und d
082 _a621.38 .B5
100 _aBeasley, Jeffrey S
245 0 _aModern Electronic Communication
260 _aNew Delhi
260 _b Phi Learning Pvt Ltd
260 _c2008
942 _cCD
999 _c153882
_d153882