@article{,
      note = {Cover title.},
      url = {http://library.usi.edu/record/251906},
      title = {Economic impact analysis for the proposed primary copper  smelting NESHAP [microform].},
      publisher = {U.S. Environmental Protection Agency, Office of Air  Quality Planning and Standards,},
      number = {EPA-453/P-97-001},
      recid = {251906},
      pages = {1 v. (various pagings) :},
      address = {Research Triangle Park, N.C. :},
      year = {1997},
}