Search for: [Subject and Keywords = South\-Polish lake district] OR [Subject and Keywords = South\-Polish lake district \- Firlej lake] OR [Subject and Keywords = Firlej lake \- aquatic flora] OR [Subject and Keywords = Firlej lake \- higher plants] OR [Subject and Keywords = Firlej lake \- moraine hills] OR [Subject and Keywords = Pojezierze Południowo\-Polskie] OR [Subject and Keywords = Pojezierze Południowo\-Polskie \- jezioro Firlej] OR [Subject and Keywords = Jezioro Firlej \- flora wodna] OR [Subject and Keywords = Jezioro Firlej \- rośliny wyższe] OR [Subject and Keywords = Jezioro Firlej \- wzgórza morenowe] OR [Title = Jeziora Firlejowskie\: Zarys limnologiczno\-biologiczny] OR [Creator = Lityński, Alfred \(1880–1945\)]