Madej, Alan A <br/><br/>
88Sr+ 445-THz single-ion reference at the 10(-17) level via control and cancellation of systematic uncertainties and its measurement against the SI second.  [electronic resource] 

 -  Physical review letters  Nov 2012 
 - 203002 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1079-7114 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.109.203002  doi