000 00280nam a2200109Ia 4500
008 190826s9999 xx 000 0 und d
082 _a621.382 SHA
100 _aSharma, Sanjay
245 0 _aCommunication systems
260 _aNew Delhi
_bS.K. Kataria & Sons,
_c2010
942 _cBOOK
999 _c54263
_d54263