DesJardins, Joseph R. Environmental ethics : an introduction to environmental philosophy / Joseph R. DesJardins. - 2nd ed. - Belmont : Wadsworth Pub., c1997. - xii, 260 p. ; ISBN: 0534505082 : £ 27.95 Subjects--Topical Terms: Environmental ethics.--- Dewey Class. No.: 179.1 / En,2