1. International Energy Outlook 2011, Report No. DOE/EIA-0484(2011). US Energy Information Administration; 2011.
2. Industrial combustion pollution and control;Baukal,2001
3. UN Recommendations on the Transport of Dangerous Goods, Model Regulations, 17th revised ed. New York and Geneva; 2011. p. 99.
4. Pritchard HO. Anaerobic operation of an internal combustion engine. US Patent No.4800847.
5. Anaerobic operation of an internal combustion engine