@inproceedings { 105,
	title = {Requirement Engineering meets Security: A Case Study on Modelling Secure Electronic Transactions by VISA and Mastercard},
	journal = {22nd International Conference on Conceptual Modeling (ER 2003)},
	volume = {2813},
	year = {2003},
	pages = {263},
	publisher = {Springer},
	organization = {Springer},
	keywords = { },
	author = {Giorgini, P. and Massacci, F. and Mylopoulos, J.}
}