Green, R.E. <br/><br/>
Angular correlation of photons from positron annihilation in light metals. 

 - Chalk River :  AECL,  1955. 
 - v. 98 (no. 2) p. 486-491 
<br/><br/><label>ISSN: </label>0067-0367 
<br/><br/><label>Standard No.: </label>AECL-166