1. Albi, G., & Pareschi, L. (2012). Modeling self-organized systems interacting with few individuals: from microscopic to macroscopic dynamics. ArXiv e-prints.
2. Aoki, I. (1984). Internal dynamics of fish schools in relation to inter-fish distance. Bulletin of the Japanese Society of Scientific Fisheries, 48(3), 1081–1088.
3. Arkin, R. C., & Balch, T. (1999). Behavior-based formation control for multi-robot teams. IEEE Transactions on Robotics and Automation, 14(6), 926–939.
4. Babak, P., Magnsson, K. G., & Sigurdsson, S. (2004). Dynamics of group formation in collective motion of organisms. Mathematical Medicine and Biology, 21(4), 269–292.
5. Ballerini, M., Cabibbo, N., Candelier, R., Cavagna, A., Cisbani, E., Giardina, I., et al. (2008). Interaction ruling animal collective behavior depends on topological rather than metric distance: Evidence from a field study. Proceedings of the National Academy of Sciences, 105(4), 1232–1237.