000 00301nam a2200121Ia 4500
008 220201s2003 xx 000 0 eng d
082 _a621.382
_bCHA
100 _aChakrabarti, P
245 0 _aDigital communication principles of
260 _aDelhi
_bDhanpat Rai
_c2003
300 _a402
942 _2ddc
999 _c36673
_d36673