000 00251nam a2200121Ia 4500
999 _c1756
_d1756
020 _a9788120319547
100 _aBandyopadhyay,M.N.
_98184
245 _aControl Engineering
250 _a0Ed
260 _bPhi
300 _a600p.
_bRs:275
490 _a1756