@article{130333,
      recid = {130333},
      author = {Potter, Beverly A. and Orfali, Sebastian.},
      title = {Drug testing at work : a guide for employers &  employees /},
      publisher = {Ronin Pub.,},
      address = {Berkeley, CA :},
      pages = {x, 230 p. :},
      year = {1990},
      url = {http://library.usi.edu/record/130333},
}