@book{ BA23970531,
  author    = "Overfield, Richard A.",
  title     = "Science with practice : Charles E. Bessey and the maturing of American botany",
  publisher = "Iowa State University Press",
  year      = "1993",
  edition   = "1st ed",
  series    = "Iowa State University Press series in the history of technology and science",
  number    = "",
  URL       = "http://ci.nii.ac.jp/ncid/BA23970531"
}