Variability of pikeperch Sander lucioperca (L. 1758) cohorts in early life historyPetr Blabolil, Martin Čech, Tomáš Jůza and Jiří PeterkaKnowl. Manag. Aquat. Ecosyst., 420 (2019) 43DOI: https://doi.org/10.1051/kmae/2019036