1. Mandal, P.S., Mukhopadyaya, K.: Concurrent checkpoint initiation and recovery algorithms on asynchronous ring networks. Journal of Parallel and Distributed Computing 64(5) (May 2004); ISSN:0743-7315.
2. Based on lecture by Dr. Ely Porat, Complexity course, Computer Science Department Bar-Ilan University (January 2008)
3. Complexity Analysis of Routing Algorithms in computer network, M. Bieliková (Ed.), IIT.SRC, pp. 69-76 (April 27, 2005)
4. Lecture Notes in Computer Science;T. Braun,2005
5. Berman, K.A., Paul, J.L.: Algorithms, by Course Technology (2002);