http://www.netvouz.com/richter/tag/ecc?feed=rss richter's bookmarks tagged "ecc" on Netvouz http://www.sundials.eu/download/download1_csy.html Download of programs, articles ecc. about sun dials. Fyzika > Astronomie > Sluneční soustava richter Mon, 18 Jan 2016 09:23:03 GMT