00779cam a2200193 i 4500020002800000020002800028082002700056100001700083245013400100250001200234260006300246300003300309490006300342490009100405500002600496526003700522650000800559650001800567  a008027322X (hard cover)  a0080273238 (flexicover)  a622.7bWILcL-39, P-371 aWills, B. A.10aMineral processing technology :ban introduction to the practical aspects of ore treatment and mineral recovery /cby B.A. Wills.  a2nd ed.  aOxford [Oxfordshire] ;aNew York :bPergamon Press,c1981.  axi, 525 p. :bill. ;c22 cm.1 aInternational series on materials science and technology ;1 aPergamon international library of science, technology, engineering, and social studies  a"In SI/Metric Units."  a0b0c0d622_700000000000000_WIL 0aMCE 0aOre-dressing.