Jian Yu Quan Z. Sheng Paolo Falcarin Maurizio Morisio Weaving Business Processes and Rules: A Petri Net Approach. 121-126 2009 UNISCON http://dx.doi.org/10.1007/978-3-642-01112-2_13 conf/ista/2009 db/conf/ista/uniscon2009.html#YuSFM09