000			002970000a22001330004500
245			_aTechnologists for metallurgical industries
260			_aLondon _c1972
300			_a2 v.
440			_aSeries 2 No.6
500			_a68 p.; 82 p.
080			_a669.007 _bI6
041			_aEN
942			_cBK
999			_c104680 _d104680