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Citation: Chm. Nagaraj et al., Beneficiation of coal using dynawhirlpool separator, T I INST ME, 53(1-2), 2000, pp. 25-29

Authors: Barnwal, JP Patil, DD Rao, TC Kawatra, SK

Citation: Jp. Barnwal et al., Enrichment of coal macerals using froth flotation, MIN MET PR, 17(1), 2000, pp. 56-61

Authors: Bhaskar, KU Barnwal, JP Rao, TC Venugopal, R

Citation: Ku. Bhaskar et al., Multigravity separator to enrich heavy minerals from a lead flotation concentrate, MIN MET PR, 16(2), 1999, pp. 61-64