@article{8121,
      author = {Dorfman, Robert, and Dorfman, Nancy.},
      url = {http://library.usi.edu/record/8121},
      title = {Economics of the environment : selected readings /},
      publisher = {Norton,},
      recid = {8121},
      pages = {xi, 494 p. :},
      address = {New York :},
      year = {1977},
}