1. G. Muscato, G. Nunnari, Leg or wheels? Wheeleg a hybrid solution, in: Proceedings of the CLAWAR’99 International Conference on Climbing and Walking Robots, Portsmouth, UK, September 1999, pp. 14–15.
2. Robots and sensors for HUDEM at the University of Catania;Baglio;European Journal of Mechanical and Environmental Engineering,1999
3. G. Lami, S. Guccione, G. Muscato, Control strategies and architectures for the robot Wheeleg, in: Proceedings of the CLAWAR 2000 International Conference on Climbing and Walking Robots, Madrid, Spain, October 2–4, 2000.
4. A. Halme, I. Leppanen, S. Salmi, S. Ylonen, Hybrid locomotion of a wheel-legged machine, in: Proceedings of the CLAWAR 2000 International Conference on Climbing and Walking Robots, Madrid, Spain, October 2–4, 2000.
5. I. Leppanen, S. Salmi, A. Halme, Workpartner—HUT automations new hybrid walking machine, in: Proceedings of the CLAWAR’98, Brussels, 1998.