@article{1403440,
      note = {Includes index.},
      author = {Walker, Thomas and Sprung-Much, Northrop, and Goubran,  Sherif,},
      url = {http://library.usi.edu/record/1403440},
      title = {Environmental policy : an economic perspective /},
      recid = {1403440},
      pages = {1 online resource (xxv, 310 pages).},
}