@misc{oai:tsukuba.repo.nii.ac.jp:00010788,
 author = {Tokunaga, Yukihiko and 徳永, 幸彦},
 month = {},
 note = {1990, 【要旨】},
 title = {Contest and scramble competitions in Callosobruchus species (Coleoptera: Bruchidae)},
 year = {1991}
}