http://upload.wikimedia.org/wikipedia/commons/c/ce/Pierre-Fran%C3%A7ois-L%C3%A9onard_Fontaine.jpg

http://en.wikipedia.org/wiki/Pierre-Fran%C3%A7ois-L%C3%A9onard_Fontaine

http://www.ville-pontoise.fr/content/pierre-fontaine-architecte-novateur

https://www.google.es/search?q=FONTAINE,+Pierre+Fran%C3%A7ois+L%C3%A9onard&es_sm=93&source=lnms&tbm=isch&sa=X&ei=96mVU4LwA5TJ0AWzmoDoBw&ved=0CAgQ_AUoAQ&biw=1600&bih=770#facrc=_&imgdii=_&imgrc=hCS27WXh8vik0M%253A%3BE2OWJOt0fAwTPM%3Bhttp%253A%252F%252Fantyki.mincmistrz.com%252Fwp-content%252Fuploads%252F2011%252F06%252FPierre-Fran%2525C3%2525A7ois-L%2525C3%2525A9onard-Fontaine.jpg%3Bhttp%253A%252F%252Fantyki.mincmistrz.com%252F%3B250%3B294