@article{ citekey165,
author = {T. Pfeiffer and I. Sánchez-Valdenebro and J.C. Nuño and F. Montero and S. Schuster},
title = {METATOOL: for studying metabolic networks},
journal = {Bioinformatics},
year = {1999},
volume = {15},
pages = {251-257},
pubmed_id = {10222413},
issue = {3}
}