House acid rain bills in the 100th Congress [microform] : comparison of the major provisions of H.R. 1664, H.R. 1679, H.R. 2497 / H.R. 2498, H.R. 2666, and H.R. 3632 / Larry Parker and Mira Courpas
Microfilm. Frederick, MD : University Publications of America, 1988. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service. 1987-88 supplement ; reel 1, fr. 01219).