Smedema, Lambert K. <br/><br/>
Land drainage  : planning and design of agricultural drainage systems 
/ Lambert K. Smedema, David W.Rycroft 
. - London  : BT Bastoford, "c"1983
. - 376 p.  : ill.,couv.ill. en coul.  ; 24 cm. 
<br/><br/>Bibliogr, index. 
<br/><br/><label>ISBN: </label>0713460458 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>631.6