000 00305nam a2200121Ia 4500
008 220201s2009 xx 000 0 eng d
082 _a621.382-LAL
100 _aLathi BP
245 0 _aModern digital and analog communication systems
260 _aNew Delhi
_bOxford
_c2009
300 _a281
942 _2ddc
999 _c65049
_d65049