Van der Ryn, Sim. Ecological design / Sim Van der Ryn and Stuart Cowan. - 10th anniversary ed. - Washington, DC : Island Press, c2007. - xv, 238 p. : ill., maps ; 23 cm. Includes bibliographical references (p. 215-225) and index. ISBN: 9781597261401 (cloth : alk. paper) 1597261408 (cloth : alk. paper) 9781597261418 (pbk. : alk. paper) 1597261416 (pbk. : alk. paper) LCCN: 2007001639 Subjects--Topical Terms: Environmental policy.Human ecology.Social ecology.Biodiversity. LC Class. No.: GE170 / .V36 2007 Dewey Class. No.: 333.72 / SIE