TY - BOOK AU - Brown,Lester Russell ED - Worldwatch Institute. TI - State of the world 1987: a Worldwatch Institute report on progress toward a sustainable society T2 - Environmental alert series SN - 0393023990 PY - 0000/// PY - 1987/// CY - New York PB - W. W. Norton and Company KW - Economic development KW - Environmental aspects KW - Sustainable development KW - Conservation of natural resources N1 - Includes bibliographical references and index ER -