TY - BOOK TI - On solid ground: science, technology, and intergrated land management SN - 0889368201 AV - HD111 .U57 1997 PY - 1997/// PB - International Development Research Centre, United Nations Conference on Trade and Development KW - land use - Management KW - Sustainable development KW - Land use - Planning N1 - Includes Bibliographical references ER -