1. Czyzowicz, J., Gasieniec, L., Pelc, A.: Gathering few fat mobile robots in the plane. Theor. Comput. Sci. 410, 481–499 (2009)
2. Efrima, A., Peleg, D.: Distributed algorithms for partitioning a swarm of autonomous mobile robots. Theor. Comput. Sci. 410, 1355–1368 (2009)
3. Uny, C.Y., Fukunaga, A.S., Kahng, A.B.: Cooperative mobile robotics: antecedents and directions. Auton. Robot. 4, 1–23 (1997)
4. Lecture Notes in Computer Science;P Flocchini,2014
5. Mamino, M., Viglietta, G.: Square formation by asynchronous oblivious robots. In: Proceedings of the 28th Canadian Conference on Computational Geometry, CCCG 2016 (2016)