@ARTICLE{GenomeInform:15:180,
author = {Masao Nagasaki and  Atsushi Doi and  Hiroshi Matsuno and  Satoru Miyano},
title = {A versatile petri net based architecture for modeling and simulation of
      complex biological processes},
journal = {Genome Inform},
year = {2004},
volume = {15},
number = {1},
pages = {180-97}
}