Beers, W. F. J. van <br/><br/>
Computing drain spacings  

 - International institute for land reclamation and improvement  Netherlands  1976 
 - 47p.  fig., table, chart 
<br/><br/><label>Nat. Bib. No.: </label>4286 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>627.53:681.14  / BEE