lester r.brown <br/><br/>
le defi planetaire  /lester r.brown 

 - 1  
 - [s.l]  Nouv eaux Horizons  1991 
 - 193ص 
<br/><br/><label>Subjects--Topical Terms: </label><br/>sciences education journalism
<br/><br/><label>Dewey Class. No.: </label>070   / R L