Vital signs :  the trends that are shaping our future / 
Lester R. Brown, et. al. 
 - New York :  W.W. Norton,  c1992- 
 - v. :175p  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0393312798 
<br/><br/><label>Dewey Class. No.: </label>303.49/05