000 00295nam a2200133Ia 4500
020 _a0852266057
100 _aNagrath IJ
245 _aControl Systems Engineering
250 _a2nd
260 _c1990
_bNew Age International
_aNew Delhi
300 _axii+725
700 _aGopal M
942 _cBK
999 _c18749
_d18749