%0 Journal Article %T An Evaluation of a Two-Stage Spiral Processing Ultrafine Bituminous Coal %A Benusa, Matthew D. %A Klima, Mark S. %J International Journal of Coal Preparation and Utilization %V 28 %N 4 %P 237-260 %@ 1939-2702 %D 2008-10-17 %I Taylor & Francis Group %~ DeepDyve