000 00471 a2200253 4500
001 1001434
020 _a0
041 _aeng
080 _a666.76 Nor(2)
245 _aRefractories
250 _a2nd ed
260 _aNew York
260 _bMcGraw-Hill Book,
260 _c1942
300 _axiv,798 p.
300 _c21 cm
490 _a
100 _aNorton, F.H.
700 _a
650 _a
650 _aRefractory materials
942 _cBK
942 _2UDC
999 _c4523
_d4523