Brundtland, Gro Harlem, . World commission on environment and development <br/><br/>
Our common future 

 - Delhi  Oxford university press  1987 
 - xviii, 383p.; 22cm. 
<br/><br/><label>ISBN: </label>195620798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystems<br/>Environmental development<br/>Legal change<br/>Urban challenge