@book{ BA72436184,
  author    = "東島, 新次 ",
  title     = "水泳4泳法上達BOOK : 憧れの泳ぎを身につける",
  publisher = "成美堂出版",
  year      = "2005",
  URL       = "https://ci.nii.ac.jp/ncid/BA72436184"
}