@article{933453,
      author = {Higgins, Stephen T. and Silverman, Kenneth, and Heil,  Sarah H.},
      url = {http://library.usi.edu/record/933453},
      title = {Contingency management in substance abuse treatment  [electronic resource] /},
      publisher = {Guilford Press,},
      recid = {933453},
      pages = {xviii, 380 p. :},
      address = {New York :},
      year = {2008},
}