State of the world 1985 :  a Worldwatch Institute report on progress toward a sustainable society 
project director, Lester R. Brown ; project assistant, Edward Wolf ; editor, Linda Starke ; senior researchers, Lester R. Brown ... [et al.]  
 - New York  Norton  c1984  
 - xvii, 301 s  ill. 
<br/><br/><label>ISBN: </label>0393019306 (ib.) 0393302180 (h.) 9780393019308 (ib.) 9780393302189 (h.)