Unconventional Models of Computation Third International Conference, UMC 2002, Kobe, Japan, October 15-19, 2002, Proceedings - Calude, Cristian; Calude, Cristian; Dinneen, Michael J.; Dinneen, Michael J.; Peper, F.; Peper, F. (Springer Berlin Heidelberg : Imprint: Springer, 2002)