Ground water in hard rocks :  Project 8.6 of the International Hydrological Programme / 
prepared by the project panel, Ingemar Larsson, chairmann. 
 - Paris :  Unesco,  1984. 
 - 228 p. :  ill. ;  30 cm. 
 - Studies and reports in hydrology ;  33 .
<br/><br/><label>ISBN: </label>9231019805 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks, Crystalline.<br/>Groundwater
<br/><br/><label>LC Class. No.: </label>GB1005  / .G75 1984 
<br/><br/><label>Dewey Class. No.: </label>551.49�19