Cover title. "June 1981." "Report number 81-155 SPR." "TX 501 B." "Environment and Natural Resources Policy Division." "Science Policy Research Division."
Bibliography Note
Includes bibliographical references.
Reproduction Note
Microfilm. Arlington, VA : University Publications of America, 1982. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service. 1981-82 supplement ; reel 9, fr. 0800).