Groundwater management  the use of numerical models / 
Paul van der Heijde ... [et al.] 
 - 2nd ed. 
 - Washington, D.C. :  American Geophysical Union,  1985 
 - 180 p. :  ill. ;  23 cm. 
 - Water resources monograph ;  v.5 .
 - Water resources monograph ;  v.5 .
<br/><br/>p. 137-164. 
<br/><br/><label>ISBN: </label>0875903142 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater--Mathematical models