1. MSL Technical Committee 1997-2009, Middle Size Robot League Rules and Regulations for 2009 (2008)
2. Azevedo, J.L., Cunha, B., Almeida, L.: Hierarchical distributed architectures for autonomous mobile robots: a case study. In: Proc. of the 12th IEEE Conference on Emerging Technologies and Factory Automation, ETFA 2007, Greece, pp. 973–980 (2007)
3. Lecture Notes in Artificial Intelligence;A.J.R. Neves,2007
4. Neves, A.J.R., Martins, D.A., Pinho, A.J.: A hybrid vision system for soccer robots using radial search lines. In: Proc. of the 8th Conference on Autonomous Robot Systems and Competitions, Portuguese Robotics Open - ROBOTICA 2008, Aveiro, Portugal, pp. 51–55 ( April 2008)
5. Martins, D.A., Neves, A.J.R., Pinho, A.J.: Real-time generic ball recognition in RoboCup domain. In: Proc. of the 11th edition of the Ibero-American Conference on Artificial Intelligence, IBERAMIA 2008, IROBOT Workshop, Lisbon, Portugal, pp. 37–48 ( October 2008)