Cover title. At head of title: CRS report for Congress. "April 10, 1990 ; revised April 25, 1990." "90-195 EPW."
Bibliography Note
Includes bibliographical references.
Reproduction Note
Microfilm. Arlington, Va. : University Publications of America, 1991. on 1 microfilm reel ; 35 mm. Low reduction. (Major studies and issue briefs of the Congressional Research Service. 1990 supplement ; reel 10, fr. 0139).