He, Cong, and Zhijun Ding. “More Efficient On-the-Fly Verification Methods of Colored Petri Nets”. COMPUTING AND INFORMATICS 40, no. 1 (August 3, 2021): 195–215. Accessed April 16, 2024. https://www.cai.sk/ojs/index.php/cai/article/view/2021_1_195.