@inbook {ICTeSi94,
	title = {Well-formedness of Equal Conflict Systems},
	booktitle = {Application and Theory of Petri Nets 1994},
	volume = {815},
	year = {1994},
	pages = {491-510},
	publisher = {Springer},
	organization = {Springer},
	author = {E. Teruel and M. Silva},
	editor = {R. Valette}
}

