Previous drought conditions and losses produced at the Valencia de Alcantara forest fire in August 2003 - Gonzalez-Alonso, F; Merino-De-Miguel, S; Cuevas, JM; Roldan-Zamarron, A; Garcia-Gigorro, S; Calle, A; Casanova, JL; Romo, A; (New Strategies For European Remote Sensing, 2005)