@inproceedings {ICReTeSi96,
	title = {SCECS A Class of Modular and Hierarchical Cooperating Systems},
	volume = {1091},
	year = {1996},
	pages = {440-459},
	publisher = {Springer},
	organization = {Springer},
	author = {L. Recalde and E. Teruel and M. Silva},
	editor = {J. Billington and W. Reisig}
}

