Stefan Schuster, Thomas Pfeiffer, Ferdinand Moldenhauer, Ina Koch, Thomas Dandekar. Structural Analysis of Metabolic Networks: Elementary Flux Modes, Analogy to Petri Nets, and Application to Mycoplasma Pneumoniae. In Erich Bornberg-Bauer, Ursula Rost, Jens Stoye, editors, Proceedings of the German Conference on Bioinformatics (GCB 2000), Heidelberg, October 5-7, 2000. pages 115-120, Logos Verlag, 2000.