@article {,
	title = {Current Trends in Theoretical Computer Science. The Challenge of the New Century },
	year = {2004},
	note = {Gheorghe Paun; Grzegorz Rozenberg; Arto Salomaa (eds.)},
	publisher = {World Scientific},
	address = {New Jersey, Estados Unidos},
	isbn = {981-238-965-2},
	author = {Gheorghe Paun and Grzegorz Rozenberg and Arto Salomaa}
}
