webpage http://dx.doi.org/10.1109/ICIAS.2007.4658550 http://www.scopus.com/inward/record.url?eid=2-s2.0-57949109677&partnerID=MN8TOARS
published in 2007 International Conference on Intelligent and Advanced Systems Journal 2007 International Conference on Intelligent and Advanced Systems, ICIAS 2007 Proceedings