The Antarctic Environmental Protection Act of 1993 : hearing before the Subcommittee on Science of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Third Congress, first session, February 23, 1993.
出版資料
Washington : U.S. G.P.O : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1993.