Water-use strategies in two co-occurring Mediterranean evergreen oaks: surviving the summer drought - David, T.S.; Henriques, M.O.; Kurz-Besson, C.; Nunes, J.; Valente, F.; Vaz, M; Pereira, J.S.; Siegwolf, R.; Chaves, M.M.; Gazarini, L.C.; David, J,S. (2007)