R. Wynands

Szymaniec, K. ., Chalupczak, W. ., Tiesinga, E. ., Williams, C. J., Weyers, S. ., & Wynands, R. . (2007). Cancellation of the collisional frequency shift in caesium fountain clocks. Physical Review Letters, 98. http://doi.org/10.1103/PhysRevLett.98.153002

Szymaniec, K. ., Chalupczak, W. ., Weyers, S. ., Wynands, R. ., Tiesinga, E. ., & Williams, C. J. (2007). Manipulation of the collisional frequency shift in caesium fountain clocks. In (Vol. 6673). http://doi.org/10.1117/12.732017