Detailed Morphobiometric Studies of Bursaphelenchus Xylophilus and Characterisation of Other Bursaphelenchus Species (Nematoda: Parasitaphelenchidae) Associated With Pinus Pinaster in Portugal. J. Nematode Morphol. Syst. 2010, 10 (2), J. Nematode Morphol. Syst., 10 (2): 137-163 (2007, publ. 2008).