著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) BENFORD S,A spatial model of interaction in large virtual environments,"proceedings of, Third Europian Conference on Computer Supported Cooperative Work, September 1993",,Kluwer Academic Publishers,1993,,,,https://cir.nii.ac.jp/crid/1572543025384623616,