Mesačné protokoly zo zakresľovania slnečných škvŕn Slovensko 1964-2023 /library/1983/Banská BystricaBB_1983_01.jpgBB_1983_02.jpgBB_1983_03.jpgBB_1983_04.jpgBB_1983_05.jpgBB_1983_06.jpgBB_1983_07.jpgBB_1983_08.jpgBB_1983_09.jpgBB_1983_10.jpgBB_1983_11.jpgBB_1983_12.jpg