Roni Horn

http://www.pbs.org/art21/artists/roni-horn

http://www.hauserwirth.com/artists/14/roni-horn/images-clips/

http://www.jca-online.com/horn.html

http://www.nytimes.com/2009/11/06/arts/design/06horn.html

http://www.we-find-wildness.com/2011/12/roni-horn/