AL-YAHYAI, Rashid, et al. “Development and Morphological Changes in Leaves and Branches of Acid Lime (Citrus Aurantifolia) Affected by witches’ Broom”. Phytopathologia Mediterranea, vol. 54, no. 1, Apr. 2015, pp. 133-9, doi:10.14601/Phytopathol_Mediterr-14746.