1. 100 hour test of the pressurized woodchip-fired gravel bed combustor;Ragland;DOE/CE 40735-3,1992
2. Evaluation of a woodchip fired cogeneration system using a gravel bed combustor;Ragland,1991
3. Pressurized downdraft combustion of woodchips;Purnomo,1990
4. Dynamic simulation of a biomass fired downdraft combustor-gas turbine;Palmer;IGTI ASME Cogen-Turbo, Book No. 100333,1992
5. Development of a gravel bed combustor for a solid fueled gas turbine-phase II;Ragland;US DOE report DE/CE40735-2,1992