@inproceedings{AIIDE-2008-BalasBAG,
	author        = "Daniel Balas and Cyril Brom and Adam Abonyi and Jakub Gemrot",
	booktitle     = "{Proceedings of the Fourth Artificial Intelligence and Interactive Digital Entertainment Conference}",
	ee            = "http://www.aaai.org/Library/AIIDE/2008/aiide08-001.php",
	isbn          = "978-1-57735-391-1",
	publisher     = "{The AAAI Press}",
	title         = "{Hierarchical Petri Nets for Story Plots Featuring Virtual Humans}",
	year          = 2008,
}