1. U. Kaufmann, G. Mayer, G. Kraetzschmar, G. Palm, Visual robot detection in robocup using neural networks, in Robot Soccer World Cup, (Kluwer Academic 2004), pp. 262–273
2. Y.U. Cao, A.S. Fukunaga, A. Kahng, Cooperative mobile robotics: antecedents and directions. Auton. Robot. 4, 7–27 (1997). Kluwer Academic Publishers. Manufactured in The Netherlands
3. S. Coradeschi, H. Ishiguro, M. Asada, S.C. Shapiro, M. Thielscher, C. Breazeal, et al., Human-inspired robots. IEEE Intell. Syst. 21, 74–85 (2006)
4. L. Chaimowicz, T. Sugar, V. Kumar, M.F. Campos, An architecture for tightly coupled multi-robot cooperation, in Robotics and Automation, 2001. Proceedings 2001 ICRA. IEEE International Conference on, (2001), pp. 2992–2997
5. A. Discant, A. Rogozan, C. Rusu, A. Bensrhair, Sensors for obstacle detection-a survey, in Electronics Technology, 30th International Spring Seminar on, (2007), pp. 100–105