Dispersal and coexistence of two non-native crayfish species (Pacifastacus leniusculus and Procambarus clarkii) in NE Portugal over a 10-year periodJ. M. Bernardo, A. M. Costa, S. Bruxelas and A. TeixeiraKnowl. Managt. Aquatic Ecosyst., 401 (2011) 28DOI: https://doi.org/10.1051/kmae/2011047