International directory of Isotopes 
/ International Atomic Energy Agency 
 - 3rd ed. 
 - Vienna:   International Atomic Energy Agency,   1964 
 - 483p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioisotopes
<br/><br/><label>Subjects--Index Terms: </label>Hot laboratories 
<br/><br/><label>Universal Decimal Class. No.: </label>R 621.039.8(058.7)  / K4