1. M. Abo-Bakr et al., in Proceedings EPAC 2000, Vienna (2000), p. 720
2. D. Arena, Y. Shen, T. Watanabe, C.C. Kao, J. Murphy, X.J. Wang, G. Carr, in Joint 32nd International Conference on Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz (2007), pp. 827–829
3. V. Asgekar, G. Geloni, V. Kocharyan, N. Stojanovic, P. Michel, M. Gensch, Infrared Phys. Technol. 64(0), 26 (2014). https://doi.org/10.1016/j.infrared.2014.01.009, http://www.sciencedirect.com/science/article/pii/S1350449514000103
4. K. Bane, G. Stupakov, S. Antipov, M. Fedurin, K. Kusche, C. Swinson, D. Xiang, Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip. 844, 121 (2017). https://doi.org/10.1016/j.nima.2016.11.041, http://www.sciencedirect.com/science/article/pii/S0168900216311950
5. S. Bielawski, C. Evain, T. Hara, M. Hosaka, M. Katoh, S. Kimura, A. Mochihashi, M. Shimada, C. Szwaj, T. Takahashi, Y. Takashima, Nat. Phys. 4(5), 390 (2008)