000 00288nam a2200121Ia 4500
008 220821s2008 xx 000 0 eng d
100 _aDAS, J. AND ET.
245 0 _aPRINCIPLES OF DIGITAL COMMUNICATION
250 _a1ST
260 _bNEW AGE
_c2008
300 _a645
942 _2ddc
_cBTECH
_02
999 _c616
_d616