@article{,
      note = {Cover title.},
      url = {http://library.usi.edu/record/222817},
      title = {The clean air act amendments of 1990 a guide for small  businesses. [microform] :},
      publisher = {U.S. Environmental Protection Agency, Office of Air and  Radiation,},
      number = {450-K-92-001},
      recid = {222817},
      pages = {1 v. (various pagings) ;},
      address = {[Washington, D.C.] :},
      year = {1992},
}