GELBERT, Michel <br/><br/>
Chena (Shifting) Cultivation and Land Transformation in the Dry Zone of Sri Lank 

 - Zurich.  Zentralstelle Der Studentensc  haft.      1988 
 - xvi, 360p. 
<br/><br/><label>Dewey Class. No.: </label>631.5'0117