Establishing reference conditions for Polish lakes - preliminary results
Soszka, Hanna, Kolada, Agnieszka, Gołub, Małgorzata, Cydzik, Dorota
Changes of water quality in benchmark lakes in the Polish national monitoring network in the 1999-2004 period
Soszka, Hanna, Kolada, Agnieszka, Gołub, Małgorzata