@inproceedings{AFL-2011-Kunimochi,
	author        = "Yoshiyuki Kunimochi",
	booktitle     = "{Proceedings of the 13th International Conference on Automata and Formal Languages}",
	isbn          = "978-615-5097-19-5",
	pages         = "270--284",
	title         = "{Algebraic Properties of Petri Net Morphisms based on Place Connectivity}",
	year          = 2011,
}