Proceedins 

 - St. Joseph, Mich. :  American Society of Agricultural Engineers,  (1977) 
 - 148 p.  : ilus. ; gráfs. 
 - ASAE publication  ; 1-77 .
 - ASAE publication  ; 1-77 .
<br/><br/><label>LCCN: </label>30689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drenaje.<br/>Drenaje--Congresos.
<br/><br/><label>Dewey Class. No.: </label>631.6  / N3 1976