http://netvouz.com/richter/tag/shadows?feed=rss richter's bookmarks tagged "shadows" on Netvouz http://www.shadowspro.com/en/index.html#shadows Build your first sundial using Shadows Pro software package, the perfect tool for understanding and designing sundials and astrolabes. Fyzika > Astronomie > Sluneční soustava richter Tue, 19 Jan 2016 06:58:26 GMT