Fraser, D.A. <br/><br/>
Movement of radioactive isotopes in yelow birch and white pine as detected with a portable scintillation counter. 

 - Chalk River :  AECL,  1953. 
 - v. 31 p. 324-333 
<br/><br/><label>ISSN: </label>0067-0367 
<br/><br/><label>Standard No.: </label>AECL-44