As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
Meristic and biometric features of lake minnow Eupallasella percnurus (Pallas, 1814) in small peat excavation (Jelino, Polesie Lubelskie Region) / Cechy merystyczne i biometryczne strzebli błotnej (Eupallasella percnurus, Pallas, 1814) w zbiorniku potorfowym (Jelino, Polesie Lubelskie)