New Trends in Coal Preparation Technologies and Equipment
New Trends in Coal Preparation Technologies and Equipment Proceedings of the 12th International Coal Preparation Congress Cracow, Poland, May 2327, 1994 Edited by Wieslaw S. Blaschke The Mineral Energy Economy Research Centre Polish Academy of Sciences Cracow, Poland UNIVERSITATSBIBLIOTHEK HANNOVER TECHNISCHE ''NFORMATIONSBIBLIOTHEK Gordon and ...