@article{170160,
      note = {Distributed to depository libraries in microfiche.},
      author = {Peters, A. T.},
      url = {http://library.usi.edu/record/170160},
      title = {The effects of the Clean Air Act Amendment of 1990 on the  U.S. coke and steel industry and foreign trade balance  [microform] /},
      publisher = {U.S. Bureau of Mines,},
      recid = {170160},
      pages = {13 p. ;},
      address = {[Avondale, Md.?] :},
      year = {1991},
}