1 D.W. Allan, D.D. Davis, J.. Levine, M.A. Weiss, N.. Hironaka, and D.. Okayama, in (IEEE, Baltimore, MD, USA, 1990).
1 J.. Yao, T.E. Parker, N.. Ashby, and J.. Levine, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 65, (2018).
1 J.A. Sherman, and J.. Levine, Journal of Research of the National Institute of Standards and Technology 121, (2016).
1 J.. Yao, and J.. Levine, Journal of Research of the National Institute of Standards and Technology 121, (2016).