Ahrens, T.P.  . <br/><br/>
Ground water manual /  
by T.P. Ahrens... et al . 
 - Jodhpur :   Scientific Publishers ,   1981 
 - xxii, 480p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology- Ground water
<br/><br/><label>Dewey Class. No.: </label>H4224  / M1