Rapid expansion of the Asian clam Corbicula fluminea (O. F. Müller, 1774): a new alien species in the mollusk community of the Vistula
Bonk, Maciej, Zając, Katarzyna, Lipińska, Anna M.
Evaluation of visual encounter surveys of the noble crayfish, Astacus astacus, and the spiny-cheek crayfish, Orconectes limosus
Bonk, Maciej, Bobrek, Rafał, Dołęga, Jacek, Strużyński, Witold