State of the world 2001 :  a Worldwatch Institute report on progress toward a sustainable society / 
Lester R. Brown ... [et al.]. 
 - London :  Earthscan,  1988. 
 - xvii, 237 p. :  ill. ;  24 cm. 
 - Environmental alert series .
 - Worldwatch environmental alert series. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>393307336 
<br/><br/><label>LCCN: </label>2001369493 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources.<br/>Economic development--Environmental aspects.<br/>Sustainable development.
<br/><br/><label>LC Class. No.: </label>H59  / .B7