@book{ BA23944837,
  author    = "Allaby, Michael",
  title     = "Macmillan dictionary of the environment",
  publisher = "Macmillan",
  year      = "1993",
  edition   = "3rd ed., Pbk. repr. with corrections",
  URL       = "http://ci.nii.ac.jp/ncid/BA23944837"
}