TY  - BOOK
AU  - Ray, H.S & Sridhar, R
TI  - Extraction of Nonferrous Metals
SN  - 9788185095639
U1  - 622.34 RAY 
PY  - 2006///
CY  - EWP, New Delhi 
PB  - EWP, New Delhi 
KW  - METALLURGICAL AND MATERIALS ENGINEERING
ER  -