000 00470cam a2200157 4500
008 100715n 000 0 eng u
035 _a(Sirsi) a170425
050 _aTN 673 RUH 1991
100 _aRuhmer, W.T.
245 _aHandbook on the estimation of metallurgical process costs /
_cby W.T. Ruhmer.
250 _a2nd ed.
260 _aRandburg :
_bMintek,
_c1991.
300 _a175p.
500 _aspecial publication no. 14
650 _aMetallurgical Processes.
999 _c114852
_d114852