Guidelines, etc. available on the Internet
United States Environmental Protection Agency, Turning a liability into an asset: A landfill gas-to-energy project development handbook, 1996.
Landfill Gas Primer: An Overview for Environmental Health Professionals, Agency for Toxic Substances and Disease Registry
Technical articles/papers relating to Hong Kong
Don Johnston, Gordon McKay, Energy from Municipal Solid Waste, Conference on International Experience and Potential Applications of Renewable Energy in Hong Kong, Hong Kong Institution of Engineers, 2005