T. N. Kyarner, A. A. Maaroos, A. F. Malysheva, B. T. Tazhigulov, “$\mathrm{F}^{+}_{4}(\mathrm{Be})$-centers in $\mathrm{MgO}$ crystals”, Fizika Tverdogo Tela, 28:8 (1986), 2563–2565
Organisations
Institute of Physics of the Academy of Sciences of the Èstonian SSR