@article{oai:fun.repo.nii.ac.jp:00005029,
 author = {Nacher, Jose and Ochiai, T. and Yamada, T. and Kanehisa, M. and Akutsu, T.},
 issue = {1},
 journal = {BioSystems},
 month = {Jan},
 pages = {26--37},
 title = {The role of log-normal dynamics in the evolution of metabolic pathways},
 volume = {83},
 year = {2006}
}