Engineering - Groel, J.W. “Relations Between Coal Characteristics and the Properties of Coal-Water Fuels”, Talk presented at Cooperative Program in Coal Research - 1986 Fall Information Transfer Session, Penn State University, November 24-25, 1986 (Folder 3 of 6), 1986

Engineering - Groel, J.W. “Relations Between Coal Characteristics and the Properties of Coal-Water Fuels”, Talk presented at Cooperative Program in Coal Research - 1986 Fall Information Transfer Session, Penn State University, November 24-25, 1986 (Folder 3 of 6), 1986, Box: 6, Folder: 9. Records of Carbogel, Incorporated, 2012-021. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/25027 Accessed November 24, 2024.