Active Brownian Particles - From Individual to Collective Stochastic DynamicsP. Romanczuk, M. Bär, W. Ebeling, B. Lindner and L. Schimansky-GeierEur. Phys. J. Special Topics, 202 (2012) 1-162DOI: https://doi.org/10.1140/epjst/e2012-01529-y