000 00259nam a2200121Ia 4500
020 _a9789332518629
082 _a629.8
100 _aDORF RICHARD C.
245 _aMODERN CONTROL SYSTEMS
250 _a12TH
260 _aNEW DELHI
_b PEARSON
_c2014
942 _cBK
999 _c2738
_d2738