Herendeen, R. A. Ecological numeracy : quantitative analysis of environmental issues / Robert A. Herendeen. - New York : John Wiley, c1998. - xxiii, 331 p. : ill., maps ; 24 cm. Includes bibliographical references (p. 317-326) and index. ISBN: 0471183091 RM161.75 LCCN: 97-031201 Subjects--Topical Terms: Environmental management--Mathematical models.Numeracy.Environmental economics.