00669cam a22002414a 4500003001000000005001700010008004100027020001500068040002500083041000800108044000800116080001400124100001800138245006200156260005200218300002400270504002900294650002700323650002400350650001600374650001800390655001900408AR-SsjUIB20250710162828.0250429s1979    xxu           000 0 eng d  a0895202573  aAR-SsjUIBcAR-SsjUIB0 aeng  axxu  a681:3:6221 aWeiss, Alfred10aComputer Methods for the 80's :bIn the mineral industry.  aNew York :bSociety of Mining Engineers,c1979.  a975 p. il. ;c26 cm  aContiene bibliografía. 7aIndustria minera2lemb 7aInformática2lemb 7aMinas2lemb 7aMineral2lemb 7aLibro2unescot