Bishay,Bishay G Ochs,Walter J <br/><br/>
Drainage guidelines / Walter J.Ochs and Bishay G.Bishay 

 - Washington  World Bank  1992 
 - v, 185p. 
 - World Bank technical paper .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Drainage - agriculture