000 00318nam a2200133Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a621.3885
_bSI-C
100 _aSingh R P
245 0 _aCommunication systems
_cSingh R P
250 _a2nd
260 _aNew Delhi
_bTMGH
_c2007
300 _axviii; 584
999 _c15818
_d15818