Pfeiffer, W C <br/><br/>
Measurements of environmental radiation exposure dose rates at selected sites in Brazil.  [electronic resource] 

 -  Anais da Academia Brasileira de Ciencias  Dec 1981 
 - 683-91 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0001-3765 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Brazil<br/>Geography<br/>Potassium Radioisotopes<br/>Radioactivity<br/>Soil Pollutants--analysis<br/>Soil Pollutants, Radioactive--analysis<br/>Spectrometry, Gamma<br/>Thorium<br/>Uranium