000			004080000a22001570004500
008			160411b1948 xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a672.36 _bB8
942			_cBK
100			_aBullens, D.K.
245			_aSteel and its heat treatment vol.1 : Principles
250			_a5th ed.
260			_aNew York _bWiley _c1948
300			_axxxii, 489p. : ill., photos.
650			_aSTEEL - properties
999			_c7247 _d7247