000 00262nam a2200121Ia 4500
999 _c8693
_d8693
020 _a0070855943
100 _aRaven Francic H
245 _aAutomatic Control Engineering
250 _a3
260 _c1981
_bMcGRAW HILL
_aLondon
300 _axiii+570
942 _cBK