000 00264nam a2200109Ia 4500
008 160710s1972 xx 000 0 und d
100 _aAMERICAN MACHINIST
245 _aAMERICAN MACHINIST,OCT-DEC.
260 _bMC GRAW HILL
_c1972
300 _a56
942 _2ddc
_cB
999 _c39673
_d39673