From 2007.igem.org

The following papers were the inspiration for our project:

Synchronizing genetic relaxation oscillators by intercell signaling. McMillen D, Kopell N, Hasty J, Collins JJ. Proc Natl Acad Sci U S A. 2002 Jan 22;99(2):679-84. http://www.pnas.org/cgi/reprint/99/2/679

A synthentic oscillatory network of transcriptional regulators Michael B. Elowitz & Stanislas Leibler NATURE | VOL 403 | 20 JAN 2000 http://www.nature.com/nature/journal/v403/n6767/pdf/403335a0.pdf