Zanzotto, A., M. Borgo, S. Serra, and W. Viel. “Investigation into the Occurrence of Esca-Associated Fungi in Cuttings and Bench-Grafted Vines”. Phytopathologia Mediterranea, vol. 40, no. 4, Dec. 2001, pp. 311-6, doi:10.14601/Phytopathol_Mediterr-1627.