00601cam a22001934a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080000800124100001600132245011800148260003700266490006500303650002000368655001900388AR-SsjUIB20250710162748.0250429s1979    xxk           000 0 eng d  a0080212808  aAR-SsjUIBcAR-SsjUIB0 aeng  axxk  a6221 aWills, B.A.10aMineral processing technology :ban introduction to the practical aspects of ore treatment and mineral rewcovery.  aOxford :bPergamon Press,c1979.0 aInternational series on materials science and technologyv29 7aMinería2lemb 7aLibro2unescot