Luchi, N., Capretti, P. and Bonello, P. (2007) “Production of Diplodia scrobiculata and Diplodia pinea pycnidia on ground Austrian pine needle agar medium”, Phytopathologia Mediterranea, 46(2), pp. 230–235. doi: 10.14601/Phytopathol_Mediterr-2157.