000 00502 a2200253 4500
001 27430
020 _a1
041 _aeng
080 _a620.18 Keh
245 _aThe principles of metallographic laboratory practice. 3rd rev. ed.
250 _a
260 _a
260 _bMcGraw-Hill, New York,
260 _c1949
300 _ap.xiv, 520, illus., 23.5cm.,
300 _c
490 _a
100 _aKehl, G.L.\
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c62673
_d62673