@article{67192,
      author = {Botkin, Daniel B.},
      url = {http://library.usi.edu/record/67192},
      title = {Environmental studies : the Earth as a living planet /},
      publisher = {C.E. Merrill Pub. Co.,},
      recid = {67192},
      pages = {ix, 506 p. :},
      address = {Columbus, [Ohio] :},
      year = {1982},
}