Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masato Takano and Yukihiko Toquenaga and Koichi Fujii,Polymorphism of competition type and its genetics in Callosobruchus maculatus(Coleoptera:Bruchidae),Population ecology,14383896,Tokyo : Springer Japan,2001-12,43,3,265-273,https://cir.nii.ac.jp/crid/1523106604990460672,