000 00298nam a2200121Ia 4500
008 160710s1958 xx 000 0 und d
082 _a621.8 GIB
100 _aGIBSON ,JOHN E.
245 _aCONTROL SYSTEM COMPONENTS
260 _bMCGRAW HILL BOOK COMPANY
_c1958
300 _a493
942 _2ddc
_cB
999 _c24245
_d24245