TY  - BOOK
ED  - Udaipur.Hindustan Zinc 
ED  - International Conference on Recent Advances in Extraction Technology Non Ferrous Metals
ED  - Udaipur.Hindustan Zinc 
TI  - Extraction technology: non ferrous metals
U1  - 669.2 
PY  - 1992///
CY  - Udaipur
PB  - Hindustan Zinc 
KW  - Non ferrous metals
ER  -