A microwave frequency reference based on VCSEL-driven dark line resonances in Cs vapor. - John Kitching; Svenja Knappe; M. Vukicevic; Leo Hollberg; Robert Wynands; W. Weidmann (IEEE Trans. Instrum. Meas., 2000)

171Yb+ Single-Ion Optical Frequency Standard at 688 THz. - Christian Tamm; Burghard Lipphardt; Harald Schnatz; Robert Wynands; Stefan Weyers; Tobias Schneider; Ekkehard Peik (IEEE Trans. Instrum. Meas., 2007)

Majorana Transitions in an Atomic Fountain Clock. - Robert Wynands; Roland Schröder; Stefan Weyers (IEEE Trans. Instrum. Meas., 2007)