Tracing technique in Geohydrology 
Werner Kass 
 - Rotterdam  A.A. Balkema  1998 
 - xv, 581 p., [4] p. of plates : ill. (some col.), maps ; 26 cm. + 1 computer optical disc (4 3/4 in.) 
<br/><br/><label>ISBN: </label>9789054104445 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Groundwater tracers
<br/><br/><label>Dewey Class. No.: </label>551.48 KAS