@article{170160, recid = {170160}, author = {Peters, A. T.}, 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,}, address = {[Avondale, Md.?] :}, pages = {13 p. ;}, year = {1991}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/170160}, }