Livernash, Robert. Valuing the global environment : actions & investments for a 21st century / Robert Livernash, Global Environment Facility. - Washington, D.C. : Global Environment Facility, 1998. - 162 p. : ill. ; 24 cm. ISBN: 1884122280 Subjects--Topical Terms: Global environment. Dewey Class. No.: 363.70526 / GLV 1998