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
Escherichia coli as a potential indicator of Biebrza River enrichment sources / Escherichia coli jako potencjalny wskaźnik wzbogacania wód rzeki Biebrzy