@book{ BB12975428,
  author    = "Eichhorst, Daniel and Shearon, Ben and 東北大学高等教育開発推進センター",
  title     = "ER@TU-多読のすすめ = The Tohoku University extensive reading manual",
  publisher = "東北大学高等教育開発推進センター",
  year      = "2013",
  series    = "PDブックレット",
  number    = "v. 4",
  URL       = "https://ci.nii.ac.jp/ncid/BB12975428"
}