1. A. Khrutchinsky, M. Korzhik, P. Lecoq, A phenomenon of scintillation in solids. Nucl. Instrum. Methods Phys. Res. Sect. A 486, 381–384 (2002)
2. E.R. Ilmas, G.G. Liidja, Ch.B. Lushchik, Photon multiplication in crystals. I. Luminescence excitation spectra of ionic crystals in region 4 to 21 eV. Opt. Spectrosc. (USSR) 18, 255 (1965)
3. Photon multiplication in crystals. 2. Mechanism of photon multiplication. Opt. Spectrosc. (USSR) 18, 359 (1965)
4. A.N. Vasil’ev, V.N. Kolobanov, I.L. Kuusman, C.B. Lushchik, V.V. Mikhailin, Multiplication of electronic excitations in MgO crystals. Fizika Tverdogo Tela 27, 2696–2702 (1985)
5. M. Kirm, E. Feldbach, T. Kärner, A. Lushchik, C. Lushchik, A. Maaroos, V. Nagirnyi, I. Martinson, Multiplication of electron–hole pairs in MgO crystals and ceramics. Nucl. Instrum. Methods Phys. Res. Sect. B 141, 431–435 (1998)