The following are in reverse chronological order of publication.

• Caspi R, Foerster H, Fulcher C. A, Kaipa P, Krummenacker M, Latendresse M, Paley S, Rhee S. Y, Shearer A. G, Tissier C, Walk T. C, Zhang P, Karp P. D. The MetaCyc Database of metabolic pathways and enzymes and the BioCyc collection of Pathway/Genome Databases. Nucleic Acids Research, vol. 36, pp. D623-D631, 2007.  [PDF, Details]