@article{447767,
      author = {Wojtkowski, Paul A.},
      url = {http://library.usi.edu/record/447767},
      title = {Agroecological economics sustainability and biodiversity /  [electronic resource] :},
      publisher = {Academic,},
      recid = {447767},
      pages = {xxi, 293 p. :},
      address = {Boston ;},
      year = {2008},
}