Alien freshwater polychaetes Hypania invalida (Grube 1860) and Laonome calida Capa 2007 in the Upper Odra River (Baltic Sea catchment area)Krzysztof Pabis, Mariola Krodkiewska and Klaudia CebulskaKnowl. Manag. Aquat. Ecosyst., 418 (2017) 46DOI: https://doi.org/10.1051/kmae/2017033
