@InBook{Modeling_Communicative_Behavior_using_Permissions_and_Obligations,
	author = "Lalana Kagal and Tim Finin",
	title = "{Modeling Communicative Behavior using Permissions and Obligations}",
	month = "January",
	year = "2005",
	series = "Lecture Notes in Computer Science",
	note = "Proceedings of Agent Communication workshop at AAMAS 2004.",
	pages = "120-133",
	booktitle = "Developments in Agent Communication, Eds. Frank Dignum, Rogier van Eijk, Marc-Philippe Huget",
	publisher = "Springer-verlag",
}