1. On nonholonomic mobile robots and optimal maneuvering;Barraquand,1989
2. Distance transformations in digital images;Borgefors;Computer vision graphic image processing,1986
3. Nonlinear control design for mobile robots;de Wit,1993
4. Casalino, G., M. Aicardi, A. Bicchi and A. Balestrino (1994). Closed-loop steering and path-following for unicycle-like vehicles: a simple Lyapunov based approach. Proceedings SY.RO.CO. '94, Capri-Italy, pp. 335–342.
5. Conte, G., S. Longhi and R. Zulli (1995). An algorithm for non-holonomic motion planning. Proceedings of ISMCR '95, Smolenice-Slovakia.