@ARTICLE{IEICE:89-A:3166, author = {Hiroshi Matsuno and Chen Li and Satoru Miyano}, title = {Petri Net based description for systematic understanding of biological pathways}, journal = {IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences}, year = {2006}, volume = {89-A}, number = {11}, pages = {3166-3174} }