000 00249nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aNAGRATH I J & GOPAL M
245 _aCONTROL SYSTEMS ENGINEERING
250 _a2
260 _c1987
_bWILEY EASTERN LTD
999 _c14324
_d14324