000 00251nam a2200109Ia 4500
008 160710s1949 xx 000 0 und d
100 _aFILHER, D A
245 _aSTEEL MAKING IN AMERICA
260 _bU S STEEL
_c1949
300 _a101
942 _2ddc
_cB
999 _c12255
_d12255