L. Ovsiannikova, G. Lashkarev, V. Kartuzov, D. Myroniuk, M. Dranchuk, and A. Ievtushenko, “The study of the behavior of Al impurity in ZnO lattice by a fullerene like model”, Phys.Chem.Sol.State, vol. 22, no. 2, pp. 204–208, Apr. 2021.