Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hanihara Kazuro,Dual structure model.A hypothesis related to the formation of Japanese group.,Anthropological Science,09187960,The Anthropological Society of Nippon,1994,102,5,455-477,https://cir.nii.ac.jp/crid/1390282679287362432,https://doi.org/10.1537/ase.102.455