Testimony of Federico Pena : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, first session ... January 13, 1993.

Coverage: Washington : U.S. G.P.O. : 1993.

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Testimony of Federico Penia : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, first session ... January 13, 1993. (Washington : U.S. G.P.O. : 1993.)