Zhijian Wang, Dingguo Wei. A Class of Petri Nets for Modular and Hierarchical System Modeling. In Proceedings of the 9th International Conference for Young Computer Scientists, ICYCS 2008, Zhang Jia Jie, Hunan, China, November 18-21, 2008. pages 264-269, IEEE Computer Society, 2008. [doi]
Abstract is missing.