S. V. Gagarskii, B. I. Galagan, B. I. Denker, A. A. Korchagin, V. V. Osiko, K. V. Prikhod'ko, S. E. Sverchkov, “Diode-pumped ytterbium — erbium glass microlasers with optical <i>Q</i>-switching based on frustrated total internal reflection”, Kvantovaya Elektronika, 30:1 (2000), 10–12 [Quantum Electron., 30:1 (2000), 10–12]
