1. Aikawa, T., Kikuchi, T., & Kosaka, H. (2003). Demonstration of interbreeding between virulent and avirulent populations of Bursaphelenchus xylophilus (Nematoda: Aphelenchoididae) by PCR-RFLP method. Applied Entomology and Zoology, 38, 565–569.
2. Bedker, P. J., Wingfield, M. J., & Blanchette, R. A. (1987). Pathogenicity of Bursaphelenchus xylophilus on three species of pine. Canadian Journal of Forest Research, 17, 51–57.
3. Fujimoto, Y., Toda, T., Nishimura, K., Yamate, H., & Fuyuno, S. (1989). Breeding project on resistance to the pine-wood nematode—an outline of the research and the achievement of the project for ten years—(in Japanese with English summary). Bulletin of the Forest Tree Breeding Institute, 7, 1–84.
4. Futai, K. (1979). Responses of two species of Bursaphelenchus to the extracts from pine segments and to the segments immersed in different solvents. Japanese Journal of Nematology, 9, 54–59.
5. Goto, S., Miyahara, F., & Ide, Y. (2002). Contribution of pollen parents to the nematode-resistance in seedlings of Japanese black pine (in Japanese with English summary). Journal of Japanese Forestry Society, 84, 45–49.