Rey A.M., A.V. Gorshkov, C.V. Kraus, M.J. Martin, M.N. Bishof, M.D. Swallows, X. Zhang, C. Benko, J. Ye, N.D. Lemke, and A.D. Ludlow, Annals Of Physics340, 311-351(2014).
Zhang W., M.J. Martin, C. Benko, J.L. Hall, J. Ye, C. Hagemann, T. Legero, U. Sterr, F. Riehle, G.D. Cole, and M. Aspelmeyer, Optics Letters39, 1980(2014).
Swallows M.D., M.J. Martin, M.N. Bishof, C. Benko, Y. Lin, S. Blatt, A.M. Rey, and J. Ye, Ieee Transactions On Ultrasonics, Ferroelectrics And Frequency Control59, 416-425(2012).