Visions of the future  : proceedings 

 - St. Joseph, Michigan :  American Society of Agricultural Engineers,  1990 
 - 761 p.  : ilus. 
<br/><br/><label>LCCN: </label>28266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigación--Congresos.
<br/><br/><label>Dewey Class. No.: </label>631.7063  / N3 1990