Genkov, D <br/><br/>
On the yearly course of radon and thoron inductions and the long lasting radioactivity of aerosols in Plovdiv.  [electronic resource] 

 -  Folia medica  1969 
 - 214-21 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0204-8043 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bulgaria<br/>Radioactivity<br/>Radon<br/>Seasons<br/>Thorium<br/>Weather