1. Motor schema based navigation for a mobile robot;Arkin,1987
2. Distributed optimization by ant colonies;Colorni,1992
3. A behavioral simulation model for the study of emergent social structures;Drogoul,1992
4. Map validation and self-location in a graph-like world;Dudek,1993
5. Sonar-based real-world mapping and navigation;Elfes,1990