TY  - GEN
AU  - Ghosh, Ahindra
AU  - Ray, Hem Shanker
TI  - Principles of extractive metallurgy [2nd ed.]
SN  - 9788122403220
U1  - 669 
PY  - 2015///
CY  - New Delhi
PB  - New Age International Publishers
KW  - Metallurgy
ER  -