000			003210000a22001330004500
245			_aAn Introduction to metallurgy
100			_aCottrell, A.H.
260			_aLondon _bEnglish Language Book Society _c1971
300			_ax, 548p. : ill.
020			_a0713123125
080			_a669 _bC6
041			_aEN
942			_cBK
999			_c111390 _d111390