@INPROCEEDING{AlgebraicBiol2005:19, author = {Masao Nagasaki and Atsushi Doi and Hiroshi Matsuno and Satoru Miyano}, booktitle = {Algebraic Biology 2005 - Computer Algebra in Biology}, title = {Petri Net Based Description and Modeling of Biologinal Pathways}, year = {2005}, pages = {19-31} }