Harding S. T. <br/><br/>
Operation and maintenance of irrigation systems 

 - New York :  McGraw-Hill,  1977 
 - 271 p.  : ilus. 
<br/><br/><label>LCCN: </label>73661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigación.<br/>Irrigación--Costos.
<br/><br/><label>Dewey Class. No.: </label>631.7  / H37