1. |
S. K. Filatov, T. V. Gracheva, V. A. Demidenko, V. V. Semin, G. T. Petrovskii, “Effect of heating and desorption on the lattice parameters and phase of the metastable tetragonal modification of $\mathrm{YBa}_{2}\mathrm{Cu}_{3}\mathrm{O}_{7-y}$”, Fizika Tverdogo Tela, 31:4 (1989), 40–46 |