Ochs, W.J. <br/><br/>
Drainage guidelines / 
W.J. Ochs 
 - Washington :  The World Bank ,  1992 
 - 186p. :  ill. ;  28 cm. 
 - Technical paper  No. 195 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>land use<br/>Drainage
<br/><br/><label>Gov. Doc. Class. No.: </label>UN WB TP-195