Brown, Lester R. Vital signs 1996 : the trends that are shaping our future / Lester R.Brown,Christopher Flavin,Hal Kane ;edited by Linda Starke. - New York : W.W.Norton and company, 1996. - Enviromental alert series . ISBN: 0393312798 Subjects--Topical Terms: Enviromental indicatorsEconomic forecastingVital signs LC Class. No.: CB158 / Bro 1995