? www.unccd.int/publicinfo/june17/2008/menu.php
? www.unccd.int/publicinfo/june17/2008/menu.php?newch=l3
? www.unccd.int/publicinfo/june17/2008/menu.php?newch=l7
? www.unccd.int/publicinfo/june17/2008/menu.php?newch=l2
– www.case.ibimet.cnr.it/desertnet/
? www.lamma-cres.rete.toscana.it/prog.asp?id=1
? www.arpa.emr.it/ia_siccita/desertificazione.htm
? www.inea.it/pdf/atlante_desertificazione.pdf.
