CALAMASSI, R., MORI, B., MOSCATELLI, F., ALBERGHINI, S., BATTISTI, A., MUGNAI, L., & SURICO, G. (2008). Aleppo pine knot disease: histology of the knots, detection of causal agent and mode of transmission. Phytopathologia Mediterranea, 47(1), 61–72. https://doi.org/10.14601/Phytopathol_Mediterr-2545