Brown, Lester R. State of the world 1998 : a Worldwatch Institute report on progress towards a sustainable society / Lester R. Brown ... [et al.]. - New York : W. W. Norton, c1998. - xix, 251 p. ; ill. ; 23 cm. ISBN: 0393317277 LCCN: Subjects--Topical Terms: EnvironmentEcosystemsForest management LC Class. No.: HC59 / .S734 1998 Dewey Class. No.: 330.9005 / B878s