Intriductory subjects <br/><br/>
Drainage principles and applications vol-1 

 - Netherlands  International Institute for Land Reclamation and Improvement  1972 
 - xiv,241p. 
<br/><br/><label>ISBN: </label>90 70260 123 
<br/><br/><label>Dewey Class. No.: </label>627.54  / I1D