Saathoff, G., Reinhardt, S., Holzwarth, R., Hänsch, T. W., Udem, T., Bing, D., Schwalm, D., Wolf, A., Karpuk, S., Novotny, C., Nörtershauser, W., Huber, G., Geppert, C., Kühl, T., Stöhlker, T., & Gwinner, G. (2011). Comment on: “Lorentz violation in high-energy ions” by Santosh Devasia. European Physical Journal C, 71(3), 1596-1596. doi:10.1140/epjc/s10052-010-1437-9.