SCORTICHINI, Marco, et al. “Xylella Fastidiosa Subsp. Pauca on Olive in Salento (Southern Italy): Infected Trees Have Low in Planta Micronutrient Content”. Phytopathologia Mediterranea, vol. 58, no. 1, May 2019, pp. 39-48, doi:10.14601/Phytopathol_Mediterr-24212.