Lecce, 23 ottobre 2009
"The New York Times"
(http://www.nytimes.com/gwire/2009/09/22/22greenwire-biodiversity-a-bitter-pill-in-tropical-mediter-89434.html)
"Time Magazine, Europe edition"
(http://www.time.com/time/magazine/article/0,9171,1931659,00html)