000 00262nam a2200109Ia 4500
008 160710s1960 xx 000 0 und d
100 _aPOWELL,R.H.
245 _aCONTROL ENGINEERING
260 _bMcGRAW HILL BOOK COMPNAY
_c1960
300 _a142
942 _2ddc
_cB
999 _c25095
_d25095