00431nam a2200121 a 4500008004100000050002300041100002200064245011300086260007500199350000900274650001100283650001500294060518s2005    xx |||||||||||||| ||    u  aTHE/CHI/ST/02/2005  aChiluba, Bertrand10aMonitoring the effectiveness of the converter operations at the Nkana smeltercthesis supervised by B. Chulu  abCopperbelt University, School of Technology, Mining Departmentc2005  a0.00  aMINING  aMETALLURGY