Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Kobayashi, F., T. Koizumi, Y. Akita, K. Fukuyama, A. Yamane, and T. Ikeda. 1984. Estimation of field population of Ips typographus japonicus using pheromone trap. Abstract. International Congress of Entomology, Proceedings, Hamburg 1984, 17:588.