Sofia, J., Gonçalves, M. and Oliveira, H. (2006) “Spatial Distribution of Esca Symptomatic Plants in Dão Vineyards (Centre Portugal) and Isolation of Associated Fungi”, Phytopathologia Mediterranea, 45(4), pp. 87–92. doi: 10.14601/Phytopathol_Mediterr-1842.