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) Hirofumi Ida and Kazunobu Fukuhara and Motonobu Ishii,"Recognition of Tennis Serve Performed by a Digital Player: Comparison among Polygon, Shadow, and Stick-Figure Models",PLoS ONE,1932-6203,Public Library of Science (PLoS),2012-03-16,7,3,e33879,https://cir.nii.ac.jp/crid/1360002219409640320,https://doi.org/10.1371/journal.pone.0033879