KODAK
http://wwwca.kodak.com/global/en/consumer/education/lessonPlans/pinholeCamera/pinholeCanBox.shtml
KIDZWORLD
http://www.kidzworld.com/article/4756-make-your-own-coffee-can-camera
FRANCESCO CAPPONI
http://www.francescocapponi.it/canale.asp?id=344
http://wwwca.kodak.com/global/en/consumer/education/lessonPlans/pinholeCamera/pinholeCanBox.shtml
KIDZWORLD
http://www.kidzworld.com/article/4756-make-your-own-coffee-can-camera
FRANCESCO CAPPONI
http://www.francescocapponi.it/canale.asp?id=344
JANNE IN OSAKA
http://janneinosaka.blogspot.ca/2010/03/pinhole-time.html