Bell, R.E. <br/><br/>
Annihilation of positrons in liquids and solids. 

 - Chalk River  AECL  [s.f.]. 
 - 688 p. 
<br/><br/><label>ISSN: </label>0067-0367 
<br/><br/><label>Standard No.: </label>AECL-122