000 00249nam a2200097Ia 4500
008 230508s1989 xx 000 0 und d
041 _aeng
100 _aJ.S.D. AZZO, C.H.HOUPIS
245 _aFEEDBACK CONTROL SYS.ANALYSIS & SYNTHESIS
260 _c1989
999 _c723535
_d723535