Hydrologich colloquium <br/><br/>
Steady Flow of Ground Water Towards Wells 

 - COMMITTEE FOR HYDROLOGICAL RESEARCH  NETHERLANDS  1964 
 - 179p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>4201 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences & geology
<br/><br/><label>Universal Decimal Class. No.: </label>551.482  / STE