000			00249nam a2200097Ia 4500
008			211209s9999 xx 000 0 und d
041			_aeng
082			_a621.83 N CHE/MAY
100			_aCHESTRAUT H
245			_aSERVOMECHANISMS AND REGULATING SYSTEM DESIGN
999			_c2406 _d2406