Mesačné protokoly zo zakresľovania slnečných škvŕn Slovensko 1964-2023 /library/1974/LeviceLevice_1974_01.jpgLevice_1974_02.jpgLevice_1974_03.jpgLevice_1974_04.jpgLevice_1974_05.jpgLevice_1974_06.jpgLevice_1974_07.jpgLevice_1974_08.jpgLevice_1974_09.jpg