TY - BOOK AU - Douglass,Gordon K. TI - Agricultural sustainability in a changing world order SN - 0865316694 AV - S523 A35 1984 PY - 1984/// CY - Boulder, Colo. PB - Westview Press KW - Agriculture KW - Agricultural productivity KW - Agricultural ecology KW - Agricultural systems KW - Food supply KW - Social aspects KW - Agriculture and state N1 - Includes bibliographical references and index ER -