Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "川俣, 雅弘","The authorship of the marginal productivity theory in ""The old quarrel""",Keio economic studies,0022-9709,"Keio Economic Society, Keio University",2010,46,,43-59,https://cir.nii.ac.jp/crid/1050564287360385664,