@inproceedings { 206,
	title = {An Ontology for Modelling Security: The Tropos Approach.},
	journal = {KES 2003 Invited Session Ontology and Multi-Agent Systems Design (OMASD'03)},
	year = {2003},
	keywords = {pub},
	author = {P. Giorgini and G. Manson and H. Mouratidis}
}