TY  - BOOK
AU  - HAYES P C
TI  - PROCESS SELECTION IN EXTRACTIVE METALLURGY
SN  - 0958919704
U1  - 669.011 HAP P 
PY  - 1987///
CY  - CALCUTTA
PB  - SBA PUBLICATIONS
KW  - METALLURGY
KW  - K1532
ER  -