Crangonyx pseudogracilis Bousfield, 1958 – the first alien amphipod crustacean in freshwaters of Iberian Peninsula (Portugal)M. Grabowski, M. Rachalewski, F. Banha and P. AnastacioKnowl. Managt. Aquatic Ecosyst., 404 (2012) 11DOI: https://doi.org/10.1051/kmae/2012005