Bibliography
1. Wikipedia Stirling Heat Engine. (http://en.wikipedia.org/wiki/Stirling_heat_engine). Accessed April 15, 2008.
2. Cabin Photo. (www.hickerphoto.com/data/media/30/ad_24357n.jpg). Accessed April 15, 2008.
3. Engine Photo ( http://teachers.sduhsd.k12.ca.us/gstimson/images/Engine4.jpg). Accessed April 15, 2008.
4. Stirling Engine, Rev. Dr. Robert Stirling. ( http://www.cse.iitk.ac.in/~amit/courses/371/abhishe/main.html) Accessed April 15, 2008.
5. Farret, Felix A. Integration of alternative sources of energy. IEEE Press; Hoboken, NJ.: Wiley-Interscience, 2006.
6. Energy. Source: Science News, Vol. 121, No. 8 (Feb. 20, 1982), pp. 123. Publisher: Society for Science & the Public URL: http://www.jstor.org/stable/3966568
7. Alternative Technology.( www.alternativetechnology.info/woodstove.htm) Accessed April 20, 2008.
8. Cummins Onan (www.cumminsonan.com/.../protec35000med.jpg). Accessed April 20, 2008.