First evidence of crayfish plague agent in populations of the marbled crayfish (Procambarus fallax forma virginalis)N.S. Keller, M. Pfeiffer, I. Roessink, R. Schulz and A. SchrimpfKnowl. Managt. Aquatic Ecosyst., 414 (2014) 15DOI: https://doi.org/10.1051/kmae/2014032