    @proceedings {stm11,
	title = {Security and Trust Management - 7th International Workshop, STM 2011},
	volume = {7170},
	year = {2012},
	month = {July 2012},
	publisher = {Springer},
	address = {Copenhaguen, Denmark},
	isbn = {978-3-642-29963-6},
	editor = {Catherine Meadows and Carmen Fernandez-Gago}
}
@proceedings {1661,
	title = {"Security and Trust Management"},
	journal = {6th International Workshop, STM 2010, Athens, Greece, September 23-24, 2010. Proceedings},
	volume = {6710},
	year = {2010},
	issn = {978-3-642-22443-0},
	editor = {Cuellar, J and Javier Lopez and Barthe, G and Pretschner, A}
}
@proceedings {1618,
	title = {Second Spanish Conference on Electronic Commerce, SCE{\textquoteright}03, Barcelona, 10-11 June 2003, Proceedings},
	journal = {SCE{\textquoteright}03},
	volume = {7},
	year = {2003},
	publisher = {Fundacion Dintel},
	isbn = {8493290203},
	editor = {Miguel Soriano and Javier Lopez and Jordi, Forne}
}
