General reports 

 - New Delhi :  The Commission,  1984? 
 - c.a. 100 p. 
<br/><br/><label>LCCN: </label>26854 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drenaje--Congresos.<br/>Irrigación--Congresos.
<br/><br/><label>Dewey Class. No.: </label>631.7  / C68r 1984