http://www.purdue.edu/UNS/html4ever/980626.Turpin.fireflies.html

http://science.howstuffworks.com/question554.htm

http://science.howstuffworks.com/light-stick.htm

http://www.lifesci.ucsb.edu/~biolum/

http://www.herper.com/Bioluminescence.html

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/B/Bioluminescence.html