Vital signs 1997 :  The environmental trends that are shaping our future / 
Lester Russell Brown; Michael Renner; Christopher Flavin. 
 - 1 st ed. 
 - New York :  Norton & Company,  1997. 
 - 165 p. :  ill ;  24 cm. 
<br/><br/><label>ISBN: </label>0393316378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology