000 00248nam a2200097Ia 4500
008 160710s1969 xx 000 0 und d
100 _aCONTROL ENGG
245 _aCONTROL ENGINEERING,JUL.,DEC.NO.7,12
260 _bMC GRAW HILL
_c1969
942 _2ddc
_cB
999 _c40304
_d40304