Search for: [Subject and Keywords = water mites] OR [Subject and Keywords = ecology] OR [Subject and Keywords = Poland] OR [Subject and Keywords = Mikołajki] OR [Subject and Keywords = Krutynia River] OR [Subject and Keywords = Roztocze wodne \-\- ekologia \-\- Polska \-\- Mikołajki \(region\)] OR [Subject and Keywords = Roztocze wodne \-\- ekologia \-\- Polska \-\- Krutynia \(rzeka\)] OR [Title = Some regularities in the occurrence of water mites \(Hydracarina\) in the littoral of 41 lakes in the river Krutynia basin and the Mikołajki district] OR [Creator = Pieczyński, Eligiusz]