P. Sastry, P. Krishnaiah, P. Rao, and D. Vathsal. International Journal on Recent and Innovation Trends in Computing and Communication, 3 (1):
264--267(January 2015)
D. Lewin, S. Lachman-Shalem, and B. Grosman. Control Engineering Practice, 15 (7):
793--802(July 2006)Special Issue on Award Winning Applications, 2005 IFAC
World Congress.