Guide to the safe handling of radioisotopes in hydrology. 

 - Vienna  IAEA  1966 
 - [4], 38 p.  ill.  21 cm. 
 - IAEA  Safety series,  no. 20. International Atomic Energy Agency.  Safety series,  no. 20. .
<br/><br/> "A manual prepared by the IAEA Secretariat with the help of the Food and Agriculture Organization and the World Health Organization."  "STI/PUB/131." 
<br/><br/>Bibliography: p. 17-20. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology.<br/>Radioisotopes--Safety measures.
<br/><br/><label>Dewey Class. No.: </label>539.752 GUI 1966