Guidebook on nuclear techniques in hydrology; 
prepared by the Working Group on Nuclear Techniques in Hydrology of the International Hydrological Decade. 
 - Vienna,  International Atomic Energy Agency,  1968. 
 - Technical reports series, no. 91 .
 - Technical reports series (International Atomic Energy Agency) ;  no. 91. .
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label> 143.00 a13.1..1.5 
<br/><br/><label>LCCN: </label>77415663 //r863 
<br/><br/><label>Nat. Bib. No.: </label>Au68-*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes in hydrology.
<br/><br/><label>LC Class. No.: </label>HD9698.A1  / I6 no. 91 
<br/><br/><label>Dewey Class. No.: </label>627