TY - BOOK AU - AHINDRA GHOSH TI - PRINCIPLES OF EXTRACTIVE METALLURGY SN - 9.7881224032e+012 U1 - 669/GHO/PRI PY - 2015/// CY - KOLKATA PB - NEW AGE INTERNATIONAL (P) LTD. KW - CHEMICAL & RELATED TECHNOLOGY KW - METALLURGY ER -