Drainage of agricultural lands 
edited by, James N. Luthin 
 - 1ª ed., 4ª reimpr 
 - Madison  American Society of Agronomy  1974 
 - 620 p.  23 cm 
 - Agronomy  7 .
 - Agronomy  7 .
<br/><br/><label>Subjects--Index Terms: </label>Suelos agricolas Drenaje