1. Arghir, M., Ispas, V., Stoian, I., Blaga, F., Borzan, C.: The Surface Transport Greening in Urban Agglomerations. EDP, Bucharest (2008)
2. Computer-Controlled Pan-Tilt Unit. Models PTU-46-17.5 and PTU-46-70, Technical Specifications, Directed Perception, Inc.,
http://www.DPerception.com
3. Detesan, O.A.: Research Regarding the Modeling, Simulation and Building of Minirobots. Ph.D. Thesis, Technical University of Cluj-Napoca (2007)
4. Negrean, I.: Kinematics and Dynamics of Robots – Modelling, Experiment, Accuracy. EDP, Bucharest (1999)