Pertsov, Lev Aleksandrovich <br/><br/>
The natural radioactivity of the biosphere 
L. A. Pertsov 
 - Jerusalem  Israel Program for Scientific Translations  1967 
 - iii, 261 s.  tbl.  24 cm. 
 - AEC-tr  6714 .
<br/><br/>Kaynakça var. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radioactivity.
<br/><br/><label>Dewey Class. No.: </label>539.752 PER 1967