Katz, Y., Tunstrom, K., Ioannou, C. C., Huepe, C., & Couzin, I. D. (2011). Inferring
the structure and dynamics of interactions in schooling fish. Proceedings of the National Academy
of Sciences of the United States of America, 108(46), 18720-18725. doi:10.1073/pnas.1107583108.