Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yasukawa Hajime,The Natural philosophy of Whitehead in the Social Theory of George H. Mead -On Objectivity of Perspectives,一橋論叢,0018-2818,日本評論社,1985-05-01,93,5,689-708,https://cir.nii.ac.jp/crid/1390290699838503168,https://doi.org/10.15057/12897