Heckman, Charles W <br/><br/>
Rice field ecology in Northeastern Thailand  the effect of wet and dry seasons on a cultivated aquatic ecosystem 

 - The Hague  W. Junk  1979 
 - vi,228 p. 
 - Monographiae Biologicae, vol.34 .
<br/><br/><label>ISBN: </label>9061930863 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>633.18  / HEC