Food and Agricultural Organization of the United Nations. <br/><br/>
Assessing soil degradation :  report of an FAO/ UNEP Expert Consultation held in Rome, 18-20 January, 1977 / 
[FAO/ UNEP Expert Consultation]. 
 - Rome :  FAO,  1997. 
 - iv, 83 p. : ill. 
 - FAO soils bulletin ; 34 .
<br/><br/><label>ISBN: </label>9251004102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil degradation.