1. Fuel gas developments;Wise,1983
2. Comprehensive studies of solid waste management;Golueke,1970
3. Comprehensive studies of solid waste management;Golueke,1971
4. Reclamation of energy from organic refuse;Pfeffer,1974
5. Energy from refuse by bioconversion, fermentation and residue disposal processes;Pfeffer;Resources Recovery and Conservation,1976