Eglitis, R. I.; Kotomin, E. A.; Popov, A. I.; Kruchinin, S. P.; Jia, R. Comparative ab initio Calculations of SrTiO₃, BaTiO₃, PbTiO₃, and SrZrO₃ (001) and (111) Surfaces as Well As Oxygen Vacancies. Fiz. Nizk. Temp. 2021, 48, 87-96.