Cover title. At head of title: CRS report for Congress. "January 4, 1989 (updated July 27, 1990)." "90-358 E."
Bibliography Note
Includes bibliographical references (pages 19-20).
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 12, fr. 0483).