Barron, Christopher J. <br/><br/>
Land degradation :  development and breakdown of terrestrial environment. 

 - Cambridge :  University Press,  1991. 
<br/><br/><label>ISBN: </label>0521353335 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.<br/>Polution -- Environmental aspects.--Polution -- Environmental aspects.<br/>Soil degradation.