Boonstra, J. Ridder, N.A.De <br/><br/>
Numerical modelling of groundwater basins  : a user-oriented manual 
/by J.Boonstra, N.A.De Ridder 
 - Wageningen  ILRI  1981 
 - xii, 226 p. 
<br/><br/><label>ISBN: </label>9070260697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ground water
<br/><br/><label>Dewey Class. No.: </label>627.12  / BOO