U.S. agriculture : hearings before the Joint Economic Committee, Congress of the United States, One Hundred Second Congress, second session, March 4, May 7, and July 8, 1992 (S. hrg. ; 102-1147)
U.S. agriculture : hearings before the Joint Economic Committee, Congress of the United States, One Hundred Second Congress, second session, March 4, May 7, and July 8, 1992