000 00267nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a621.83 N63 DOU
100 _aDOUCE J L
245 _aINTRODUCTION TO MATHEMATICS OF SERVOMECHANISMS
300 _a241
999 _c7920
_d7920