Valuing the earth : economics, ecology, ethics / edited by Herman E. Daly and Kenneth N. Townsend. - Cambridge, Mass. : MIT Press, 1993. - x, 387 p. ; 23 cm. Includes bibliographical references and index. ISBN: 0262540681 (pbk.) RM100.30 LCCN: 92-022098 Subjects--Topical Terms: Economic development--Environmental aspects.Environmental ethics.