TY - BOOK AU - Swanson,Timothy M. AU - Barbier,Edward B. TI - Economics for the wilds : : wild life, wild lands, diversity and de velopment / SN - 1853831247 U1 - 333.95 PY - 1992/// CY - London : PB - Earthscan Publications, KW - Wild life conservation KW - Economic aspects KW - Economic development KW - Environmental aspects N1 - Includes bibliographical references and index ER -