@inproceedings { 161,
	title = {UML for Agent-Oriented Software Development: the Tropos Proposal.},
	journal = {Fourth International Conference on the Unified Modeling Language (2001)},
	year = {2001},
	keywords = {pub},
	URL = {files/UML01.pdf},
	author = {J. Castro and M. Kolp and J. Mylopoulos}
}