1. Multiphase anaerobic digestion of biomass;Smith,1986
2. Biology of microorganisms;Brock,1974
3. Comparative biomass yields of energy crops;Smith,1985
4. Conversion of biomass into methane gas;Shiralipour;Biomass,1984
5. Variation in methane production associated with plant resource groups, plant parts and growth conditions;Shiralipour,1985