@inbook {907,
	title = {Structuraly Safe Net Systems},
	booktitle = {Discrete Event Systems. Analysis and Control},
	year = {2000},
	month = {08/2000},
	pages = {441-448},
	publisher = {Kluwer Academic Publishers},
	organization = {Kluwer Academic Publishers},
	address = {Boston, USA},
	isbn = {0-7923-7897-0},
	author = {F. Garc{\'\i}a-Vall{\'e}s and F. Tricas and J. Ezpeleta and J.M. Colom},
	editor = {R. Boel and G. Stremersch}
}

