by Breckenfeld, E, Bronn, N, Karthik, J, Damodaran, A R, Lee, S, Mason, N, Martin, L W
Published in Physical review letters (10.05.2013)

by Bronn, N T, Abdo, B, Inoue, K, Lekuch, S, Córcoles, A D, Hertzberg, J B, Takita, M, Bishop, L S, Gambetta, J M, Chow, J M
Published in Journal of physics. Conference series (02.05.2017)