http://www.scholarpedia.org/article/Fluorescent_proteins
http://www.lifesci.ucsb.edu/~biolum/
http://www.mbari.org/expeditions/Bioluminescence2012/index.htm
http://www.annualreviews.org/eprint/pbWcm4DyqvQGJ7F2qGkc/full/10.1146/annurev-marine-120308-081028