000 00279nam a2200121Ia 4500
008 211209s9999 xx 000 0 und d
020 _a9.78939E+12
041 _aeng
082 _a629.8312 NAG
100 _aNAGARATH
245 _aCONTROL SYSTEMS ENGINEERING
260 _bNEW AGE
999 _c77348
_d77348