References
- Henderson , D.S . 1961 . Residue class error checking codes . In Proceedings of the 1961 16th ACM National Meeting ACM ‘61 . ACM , New York, NY , 132.101–132.104. DOI= http://doi.acm.org/10.1145/800029.808563
- IEEE Computer Society 1996 . Timeline of the Evolution of Computing and Computing Technology . Online: http://www.computer.org/computer/timeline/timeline.pdf