@article{236911, recid = {236911}, author = {Demir, Ilham.}, title = {Assessing the removal of air toxics in marketed Illinois coals by gravity-based cleaning /}, publisher = {Illinois State Geological Survey,}, address = {Champaign, Ill. :}, pages = {27 p. :}, year = {1999}, note = {"This research was supported in part by the Illinois Department of Commerce and Community Affairs (IDCCA) through its Coal Development Board and the Illinois Clean Coal Institute (ICCI)."--T.p. verso.}, url = {http://library.usi.edu/record/236911}, }