000 00323nam a2200121Ia 4500
008 220601s2008 xx 000 0 eng d
100 _aCHOUDHARY,KRANTHI REKHA
245 0 _aDIGITAL COMMUNICATIONS
250 _a2nd Ed.
260 _c2008
_aNew Delhi
_bSCITECH PUBLICATION(INDIA)PVT.LTD
300 _a681
942 _2ddc
_cBTECH
999 _c2634
_d2634