@book{ BA07463055,
  author    = "Newton, Isaac, Sir and Whiteside, Derek Thomas",
  title     = "The preliminary manuscripts for Isaac Newton's 1687 Principia, 1684-1685 : facsimiles of the original autographs, now in Cambridge University Library, with an introduction",
  publisher = "Cambridge University Press",
  year      = "1989",
  series    = "Newton manuscripts series",
  number    = "2",
  URL       = "https://ci.nii.ac.jp/ncid/BA07463055"
}