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) HAAKE S. J.,The impact of golf balls on natural turf. I. Apparatus and test methods,J. Sports Turf Res. Inst.,,,1991,67,,120-127,https://cir.nii.ac.jp/crid/1570854176400341376,