G. A. Bufetova, M. Yu. Gusev, I. A. Ivanov, D.A.Nikolaev, V. F. Seregin, V. B. Tsvetkov, I. A. Shcherbakov, “Preparation and study of epitaxial Cr<sup>4+</sup> : GGG films for passive <i>Q</i> switches in neodymium lasers”, Kvantovaya Elektronika, 36:7 (2006), 620–623 [Quantum Electron., 36:7 (2006), 620–623]
