Land degradation :   problems and policies / 
edited by Anthony Chisholm and Robert Dumsday. 
 - Cambridge :   Cambridge University Press,   1987. 
 - xix, 404 p:  ill.;  26 cm. 
<br/><br/><label>ISBN: </label>0521340799 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Land degradation--Congresses. --Australia
<br/><br/><label>Dewey Class. No.: </label>333.7313  / CHL 1987