Grau, VirtualArt, from Illusion to Immersion, MIT Press/Leonardo Books, 2004, pp. 237-240, ISBN 0-262-57223-0 Paul, Christiane (2003). Digital Art (World
non-profit association for the international promotion and protection of Art Nouveau heritage Europeana virtual exhibition of Art Nouveau (页面存档备份,存于互联网档案馆)