Patterns of river lamprey size and sex ratio in the Baltic Sea basin - Bartel, Ryszard; Bradauskas, Bronius; Ikonen, Erkki; Mitans, Andis; Borowski, Władysław; Garbacik-Wesołowska, Anna; Witkowski, Andrzej; Błachuta, Jan; Morzuch, Jacek; Bernaś, Rafał; Kapusta, Andrzej (My University, 2010)