todd, David. Keith <br/><br/>
Groundwater hydrology / 
todd, David. Keith 
 - 2nd ed. 
 - xiii, 535 p. ; ill. ; 24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9971511738 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater<br/>Groundwater flow--Mathematical models
<br/><br/><label>Dewey Class. No.: </label>551.49