Theoretical Computer Science 7th Italian Conference, ICTCS 2001, Torino, Italy, October 4-6, 2001. Proceedings - Restivo, Antonio; Restivo, Antonio; Ronchi Della Rocca, Simona; Ronchi Della Rocca, Simona; Roversi, Luca; Roversi, Luca (Springer Berlin Heidelberg : Imprint: Springer, 2001)