1. AGTD (Allison Gas Turbine Division), General Motors Corporation, 1994. “Research and development of proton-exchange membrane (PEM) fuel cell system for transportation applications: initial conceptual design”, Report prepared for the Chemical Energy Division of Argonne National Laboratory, US Department of Energy.
2. Rethinking the Ozone Problem in Local and Regional Air Pollution;BEST (Board on Environmental Studies and Toxicology), National Research Council,1991
3. Black, N., 1991. “Biomass gasification project gets funding to solve black liquor safety and landfill problems”, Tappi Journal, pp. 65–68, Feb.
4. Design and Economics of Electricity Production from an Indirectly Heated Biomass Gasifier;Breault,1992
5. “Low cost oxygen for IGCC facilities”;Brown,1987