Conference proceedings 

 - St. Joseph, Mich. :  American Society of Agricultural Engineers,  (s.a.) 
 - 49 p.  : ilus. 
 - ASAE publication  ; PROC-268 .
 - ASAE publication  ; PROC-268 .
<br/><br/><label>LCCN: </label>53146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Purificacion.