Fonseca, L.; Vieira Dos Santos, M.; de A. Santos, M.; Curtis, R.; de O. Abrantes, I. Morpho-Biometrical Characterisation of Portuguese Bursaphelenchus Xylophilus Isolates With Mucronate, Digitate or Round Tailed Females. Phytopathol. Mediterr. 2009, 47, 223-233.