Drainage design factors  28 questions and answers 

 - Rome  Food and Agriculture Organization of the United Nations  c1980 
 - vi, 52 p.  ill.  28 cm. 
 - FAO irrigation and drainage paper  38 .
<br/><br/> "Based on the Expert Consultation on Drainage Design Factors, Rome, 22-29 October 1979." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drainage
<br/><br/><label>Dewey Class. No.: </label>631.6  / 2