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2. A study of rotary tribo-electrostatic separation of South African fine coal;Bada;International Journal of Coal Preparation and Utilization,2010
3. An evaluation of a two-stage spiral processing ultrafine bituminous coal;Benusa;International Journal of Coal Preparation and Utilization,2008
4. Comparing two-stage spiral to two stages of spirals for fine coal preparation;Bethell,2003
5. Operating characteristics of water-only cyclone/spiral circuits cleaning fine coal;Bethell,2003