Authors: B R Beck; J A Becker; P Beiersdorfer; G V Brown; K J Moody; J B Wilhelmy; F S Porter; C A Kilbourne; R L Kelley Journal: Phys Rev Lett Date: 2007-04-05 Impact factor: 9.161
Authors: S M Brewer; J-S Chen; A M Hankin; E R Clements; C W Chou; D J Wineland; D B Hume; D R Leibrandt Journal: Phys Rev Lett Date: 2019-07-19 Impact factor: 9.161