1. Effect of flotation procedure and composition of reagents on yield of a difficult-to-float coal;Ahmed;Physicochemical Problems of Mineral Processing,2004
2. How the nature of raw coal influences its cleaning;Aplan,1988
3. Coal Surface Control for Advanced Fine Coal Flotation, Final Report;Fuerstenau,1992
4. Surface Properties of Coal and Their Role in Coal Beneficiation, Final Report;Fuerstenau,1990
5. Effect of weathering on the wetting behavior and flotation response of coal;Fuerstenau,1994