Irrigation, challenges of the 80's; proceedigns of the ASAE Second National Irrigation Symposium 

 - St. Joseph, Mich.,  1981 
 - 252 p.  : ilus. ; gráfs 
 - ASAE publication  ; 6-81 .
 - ASAE publication  ; 6-81 .
<br/><br/><label>LCCN: </label>19541 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigación.
<br/><br/><label>Dewey Class. No.: </label>631.7  / A53