Aaij, R <br/><br/>
Observation of the Annihilation Decay Mode B^→K^K^.  [electronic resource] 

 -  Physical review letters  Feb 2017 
 - 081801 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1079-7114 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.118.081801  doi