Myrta, A., Di Terlizzi, B., Varveri, C., Gavriel, I., Amari, K., Caglayan, K., gatt, M., Srhiri, M., Cañizares, M., Sabanadzovic, S. and Pallás, V. 2000. First Report on «Hop Stunt Viroid» (HSVd) from Some Mediterranean Countries. Phytopathologia Mediterranea. 39, 2 (Aug. 2000), 271–276. DOI:https://doi.org/10.14601/Phytopathol_Mediterr-1569.