000 00315nam a22001457a 4500
999 _c44709
_d44709
003 OSt
020 _a9788188458196
082 _a621.382 SHA-D
100 _aSharma, Sanjay
245 _aDigital Communication
260 _aNew Delhi
_bS K Kataria
_c2011
300 _a582p.
901 _a2038DON
942 _2ddc
_cBK