000 00269nam a2200121Ia 4500
020 _a9780070141704
082 _a621.395
100 _aLEACH DONALD P.
245 _aDIGITAL PRINCIPLES AND APPLICATIONS
250 _a7TH
260 _aNEW DELHI
_b TMH
_c2011
942 _cBK
999 _c4467
_d4467