00374cam4a220013300 4500001001200000008004100012020001500053035001900068035001900087100003100106245004000137260005700177004000600234zam00000050951128c1985    xx                  eng u  a0958919704  a(Sirsi) r87809  a(MACHINE)FIN-01 aHayes, George H.6A47246.110aSelection in extractive metallurgy.  aBrisbane, Australia :bHayes Publishing Co.,cc1985.87809