000			nam a22 7a 4500
999			_c2428 _d2428
003			Biblioteca INTEMIN
005			20180519014343.0
007			Libro
008			180519b xxu||||| |||| 00| 0 eng d
020			_a090048859X
041			_aEN
080			_a669.09
110			_aInstitution of mining and metallurgy. IMM. London. _95797
245			_aExtraction metallurgy '81 _bpapers presented at a symposium organized by the Institution of Mining and Metallurgy and held in London _cInstitution of mining and metallurgy. IMM. London.
260			_aLondon _bInstitution of mining and metallurgy _c1981
300			_a441 p.
650			_asimposio _95912
650			_ametalurgia _91596
650			_acongreso _93955
942			_cBK