000 00289nam a2200121Ia 4500
005 20260205054354.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aDurai, Ramachandra
245 0 _aDigital communication
260 _aDelhi
_bAuthor
_c2005
300 _a183p.
942 _cBK
999 _c137436
_d137436