Valuing the earth : economics, ecology, ethics / edited by Herman E. Daly and Kenneth N. Townsend - London : MIT Press, c1993. - x, 387 p. : 23 cm. ISBN: 9780262041331 LCCN: Subjects--Topical Terms: Economic developmentEnvironmental aspectsEnvironmental ethics LC Class. No.: HD75.6 / .V36 1993