Brown, Lester <br/><br/>
Assessing ecological decline 

<br/><br/><label>ISBN: </label>0393022609 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environnement<br/>Ecologie<br/>Ecosystème
<br/><br/><label>Subjects--Index Terms: </label>Afrique