== Exemples ==
film sur une série de mes oeuvres Op art
** http://youtu.be/0GoDyRdCfx0--** http://venciclopedia.com/index.php?title=Archivo:Youri_Messen-Jaschin_Pop_red.jpg** [http://farm1.staticflickr.com/171/423875472_7413b362af_z.jpg]** http://www.abstract-art.com/abstraction/l3_more_artists/ma15a_messenjaschn.htm** http://www.saatchionline.com/art/Printmaking-Collagraph-Circle-Red-Blue/45040/1185708/view** http://www.artreview.com/photo/bluecircle-1?context=user
* Exemples sound and images:
** http://vimeo.com/21537332
