Processing and utilization of high sulfur coals proceedings ... August 26-30, 1991, Idaho Falls edited by P. R. Dugan, D. R. Quigley, and Y. A. Attia - Amsterdam Elsevier North-Holland 1991 - 828 p. : ill. ; 24 cm. - Coal science and technology 18 . ISBN: 0444882634 Subjects--Topical Terms: Coal--Desulphurization--CongressesCoal--Sulphur content--CongressesCoal--Environmental aspects--Congresses