000 00467 a2200253 4500
001 3421
020 _a7
041 _aeng
080 _a666.76 Nor(19)
245 _aRefractories
250 _a4th ed
260 _aNew York
260 _bMcGraw-Hill Book,
260 _c1968
300 _ax,450 p.
300 _c23 cm
490 _a
100 _aNorton, F.H.
700 _a
650 _a
650 _aRefractory materials
942 _cBK
942 _2UDC
999 _c4522
_d4522