Badawy, Wael; Jullien, Graham A., red. (2003): . Kluwer international series in engineering and computer science, SECS 711. Boston: Kluwer Academic Publishers. ISBN 9781402072543. OCLC 50478525. Furber, Stephen B. (2000): . Boston: Addison-Wesley. ISBN 0-201-67519-6.