Melo, Leonimer Flavio de, et al. “Virtual Simulator for Autonomous Mobile Robots Navigation System Using Concepts of Control Rapid Prototyping”. Semina: Ciências Exatas E Tecnológicas, vol. 34, no. 1, Sept. 2013, pp. 81-96, doi:10.5433/1679-0375.2013v34n1p81.