http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Processing and utilization of high sulfur coals
proceedings of the First International Conference on Processing and Utilization of High Sulfur Coals, October 13-17, 1985, Columbus, Ohio, U.S.A
International Conference on Processing and Utilization of High Sulfur Coals 1985 : Columbus, Ohio)