@inproceedings { 123,
	title = {Modeling early requirements in Tropos: a transformation based approach.},
	journal = {Second International Workshop on Agent-Oriented Software Engineering (AOSE-2001)},
	year = {2001},
	keywords = {pub},
	author = {Paolo Bresciani and Paolo Giorgini and Fausto Giunchiglia and John Mylopoulos and Anna Perini}
}