Berninger, M., Zenesini, A., Huang, B., Harm, W., Nägerl, H., Ferlaino, F., …Hutson, J. (2011). Universality of the three-body parameter for Efimov states in ultracold cesium. Physical Review Letters, 107(12), Article 120401. https://doi.org/10.1103/physrevlett.107.120401