1. Laszlo , P. 2001 A Whiff of Camphor http://www.pierrelaszlo.com/activities/lectures/128-a-whiff-of-camphor
2. http://housing.caltech.edu/plants/camphor%20tree.jpg
3. http://conjuredcardea.indiemade.com/sites/conjuredcardea.indiemade.com/files/camphor.jpg