Ferraz, J. F. P.Cravador, A.Moreira, A. C.Caetano, P.2012-06-082012-06-082003Ferraz, J. F. P.; Cravador, Alfredo; Moreira, A. C.; Caetano, P. Seca, amenaza para la industria del corcho. Europacork, 01/06/2003, 28-30.AUT: ACR00659;http://hdl.handle.net/10400.1/1201Whoever takes a walk among the cork oaks and pasture lands in the centre and south of Portugal will come face to face with an unquestionable reality: the abnormal loss of vegetative vigour that is apparent on many cork oaks.spajournal article2012-06-07