1. The vector field histogram-fast obstacle avoidance for mobile robots;Borenstein;IEEE Trans. R&A,1991
2. The Complexity of Robot Motion Planning;Canny,1988
3. A note on two problems in connexion with graphs;Dijkstra;Numerische Mathematik,1959
4. A general world representation for mobile robot operations;Fernandez,1997
5. NEXUS: A flexible, efficient and robust framework for integrating the software components of a robotic system;Fernandez,1998