Proceedings    Soil degradation. Ed by D Boels etc 

 - Rotterdam  A A Balkema       1982 
 - 280p.  cm. 
<br/><br/><label>Standard No.: </label>138522 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Geography
<br/><br/><label>Dewey Class. No.: </label>"U672(J:1)p1,N80, M2"