000 00230nam a2200109Ia 4500
020 _a9788131727249
100 _aTOCCI RONALD J.
245 _aDIGITAL SYSTEMS
250 _a10TH
260 _aNEW DELHI
_b PEARSON
_c2009
942 _cBK
999 _c7103
_d7103