T. E. Grishutkina, M. E. Doroshenko, A. Ya. Karasik, V. A. Konyushkin, D. V. Konyushkin, A. N. Nakladov, V. V. Osiko, V. B. Tsvetkov, “Planar fluoride waveguides for amplifiers and lasers”, Kvantovaya Elektronika, 45:8 (2015), 717–719 [Quantum Electron., 45:8 (2015), 717–719]
