Challman, Donald - "An Overview of Clean Coal Research at CAER," Guest Speaker, Research Associate Director, Center for Applied Energy Research (CAER), University of Kentucky

Preckel, Paul, and Yu, Zuwei - "Clean Coal Technologies," Final Report, Purdue University

Rupp, John - "CO₂ Sequestration and Indiana Site Selection," Indiana Geological Survey, Indiana University

Hite, Tom - "Coal Bed Methane (CBM) in Indiana," Hite CBM Operating

Kramer, Robert - "Coking Processes with Indiana Coal," Final Report, Purdue University-Calumet

Mastalerz, Maria - "Indiana Coal Characteristics," Progress Report, Indiana Geological Survey, Indiana University

Brady, Thomas F., Jr. - "Coal Transportation, Next Phase," Purdue University-North Central