. "Masurian Lakes" . "Masurian lakes" . . . . "(Pojezierze Mazurskie)" . . . . . "Masuria" . "Masurian Lakeland" . . "Masurian Lake" . . . "southern lakeland" . "5.2E10" . . . . . "Masurian Lake District" . . . "Masurian" . . . . . . . . "Masurian lake plateaux" . "Masurian Lake District" .