@book{ BA4254606X,
  author    = "McMillen, Wheeler",
  title     = "The green frontier! : stories of chemurgy",
  publisher = "G.P. Putnam's Sons",
  year      = "1969",
  series    = "Useful arts of man",
  number    = "",
  URL       = "https://ci.nii.ac.jp/ncid/BA4254606X"
}