000 00224nam a2200097 4500
999 _c334126
_d334126
082 _a553.61
_bNOR.R
100 _aNorton, F.H.
245 _aRefractories
_cNorton, F.H.
260 _aNew York
_c1942
_bMc Graw-Hill
942 _cBK