000 00284nam a2200121Ia 4500
999 _c1459
_d1459
020 _a56015
100 _aWilliam W Seifert
245 _aControl Systems Engineering
260 _aNew York
_bMcGraw Hill Book Company
_c1960
300 _axiv+963
700 _aCarl W Steeg
942 _cREF