H. P. Nachtnebel(ed.) <br/><br/>
Hydrological basis of ecologically sound management of soil and groundwater / 

 - 1st ed. 
 - Paris  UNESCO  1993. 
 - 71p.  
<br/><br/>1993 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.Groundwater