1. Sorghum — a new fuel;Miller,1980
2. Harvesting sorghum for grain and biomass;Coble,1985
3. Standard methods for the examination of water and wastewater;American Public Health Association,1986
4. Bioconversion of woody biomass as a renewable source of energy;Jerger,1982
5. Quality of sorghum biomass for methanogenesis;McBee,1986