Gasper, E.  x <br/><br/>
Redioactive tracers in hydrology  x 

 - x 
 - Amsterdam  Elsevier  1972 
 - 342 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Power Marine Biology 
<br/><br/><label>Dewey Class. No.: </label>51.48028/GAR