@article{134251,
      recid = {134251},
      author = {Young, John,},
      title = {Sustaining the earth /},
      publisher = {Harvard University Press,},
      address = {Cambridge, Mass. :},
      pages = {x, 225 p. ;},
      year = {1990},
      url = {http://library.usi.edu/record/134251},
}