http://www.avu.cz/~vivid/ [current]
https://web.archive.org/web/20120609013944/http://www.fallingtimes.info/index.php?page=0&lang=en [current]
http://bielicky.net/projects/year-jerusalem-prag-2006 [current]
https://www.youtube.com/watch?v=0DVN4m41QCE [current]
http://web.archive.org/web/20050209094615/avu.cz/~kam/ [current]
http://vmp.ffa.vutbr.cz/mezihorak/filum/ [current]