Diversity of lampreys and fishes of the Upper Vistula River drainage, Poland: present state and future challenges. Journal title: Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society Authors: Michał Nowak, Paweł Szczerbik, Artur Klaczak, Piotr Epler, Włodzimierz Popek Subject(s):