Authors: W F McGrew; X Zhang; R J Fasano; S A Schäffer; K Beloy; D Nicolodi; R C Brown; N Hinkley; G Milani; M Schioppo; T H Yoon; A D Ludlow Journal: Nature Date: 2018-11-28 Impact factor: 49.962
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