http://www.skironio.gr/first_page_en.html

http://www.artinfo.com/galleryguide/24999/11654/115861/carolina-nitsch-gallery-carolina-nitsch-project-room/exhibition/olaf-nicolai-considering-a-multiplicity-of-appearances-in-light-of-a-particular-aspect-of-relevance-or-can-art-be-concrete/

http://www.paletaworld.org/artist.asp?ID=3

http://www.amazon.com/Architecture-Without-Architects-Introduction-Non-Pedigreed/dp/0826310044#reader

http://www.thebreedersystem.com/artist.php?ArtistID=26#

http://www.theocharakis-foundation.gr/default.aspx?lang=el-GR&loc=1&&page=638&item=27964

http://msaz.net/geo/theraweb/thera-c.html

http://greekstamp.blogspot.com/2008/02/1961.html

http://www.youtube.com/watch?v=KSIqEoq3Kl4