TY - BOOK AU - Bird, George W AU - Francis, Charles A AU - Poincelot, Raymond P TI - Developing and extending sustainable agriculture : a new social contract SN - 9781560223313 SN - 200503738 U1 - 631.58 FRA PY - 2006/// CY - New York PB - Haworth Food & Agricultural Products Press KW - Sustainable agriculture KW - Sustainable agriculture - United States N1 - Includes bibliographical references and index ER -