000 00308nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aI J Nagrath
245 _aControl Systems Engineering
250 _a3rd
260 _bDelhi:new age
_c1989
300 _a826p.
650 _aElectronic
999 _c1112
_d1112