Escudero, Carlos, Christian Yates, Jerome Buhl, Iain Couzin, Radek Erban, Ioannis Kevrekidis, and Philip Maini. (2010) 2010. “Ergodic Directional Switching in Mobile Insect Groups”. Physical Review E 82 (1): 011926.
Yates, Christian, Radek Erban, Carlos Escudero, Iain Couzin, Jerome Buhl, Ioannis Kevrekidis, Philip Maini, and David Sumpter. (2009) 2009. “Inherent Noise Can Facilitate Coherence in Collective Swarm Motion”. Proceedings of the National Academy of Sciences of the United States of America 106 (14): 5464-69.