Bossel, Hartmut. <br/><br/>
Earth at a crossroads :  paths to a sustainable future / 
Hartmut Bossel. 
 - Cambridge, UK :  Cambridge University Press,  1998. 
 - xv, 338 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references: p. 309-321. 
<br/><br/><label>ISBN: </label>0521639956 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable development.<br/>Economic development--Environmental aspects.<br/>Environmental indicators.