Ochs, Walter J. <br/><br/>
Drainage guidelines 
by Walter J. Ochs and Bishay G. Bishay 
 - Washington, D.C.  IBRD  1992 
 - 186p. 
 - World Bank Technical Paper Number 195 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drainage
<br/><br/><label>Dewey Class. No.: </label>Y1181 Oc3