@book{ BN02267903,
  author    = "沢田, 詮亮 ",
  title     = "製図器具と製図技法",
  publisher = "三共出版",
  year      = "1974",
  edition   = "改稿",
  URL       = "http://ci.nii.ac.jp/ncid/BN02267903"
}