Policies and systems of environmental impact assessment  

 - New York  United Nations  1991  
 - v, 44p.  30cm 
<br/><br/> At head of title: Economic Commission for Europe, Geneva  
<br/><br/><label>ISBN: </label>9211164923 (pbk.):  free 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental impact analysis