1. Agmon, N., Peleg, D.: Fault-tolerant gathering algorithms for autonomous mobile robots. SODA 11(14), 1070–1078 (2004)
2. Lecture Notes in Computer Science;L. Anderegg,2005
3. Bouzid, Z., Lamani, A.: Robot networks with homonyms: The case of patterns formation. hal.inria.fr (2011)
4. Chandrasekaran, R., Tamir, A.: Algebraic optimization: the fermat-weber location problem. Mathematical Programming 46(1), 219–224 (1990)
5. Das, S., Flocchini, P., Santoro, N., Yamashita, M.: On the computational power of oblivious robots: forming a series of geometric patterns. In: PODC, pp. 267–276. ACM, New York (2010)