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- [7] Recovery of cobalt and tungsten from scrap carbide pieces through a hydrometallurgic route HYDROMETALLURGY 2003 PROCEEDINGS, VOLS 1 AND 2: VOL 1: LEARNING AND SOLUTION PURIFICATION, 2003, : 1605 - 1615
- [8] Reclamation of tungsten metal from tungsten alloy scrap TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, 1999, 52 (05): : 353 - 355