000 00251nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aNAGRATH IJ & GOPAL M
245 _aCONTROL SYSTEMS ENGINEERING
250 _a5
260 _c2011
_bNEW AGE INTERNATIONAL
999 _c54307
_d54307