000 00326nam a2200133Ia 4500
008 150304s9999||||xx |||||||||||||| ||und||
082 _a1 621.380 RAO
100 _a"Rao, P, Pamakrishna"
245 _aDigital Communications
250 _a2013
260 _bTata Mc Graw Hill
300 _a1 621.380 RAO
938 _bCEN_1001
999 _c2263
_d2263