Krul,W.F.J.M. and LiefrinckF.A. <br/><br/>
Recent groundwater investigations in the Netherlands 
Krul,W.F.J.M. and LiefrinckF.A. 
 - NewYork  Elsevier  1946 
<br/><br/><label>Dewey Class. No.: </label>551.49  / KRU.R