Toan, N.C., and N.V. Hung. “Semi-Classical Anharmonic Correlated Einstein Model Debye–Waller Factors and EXAFS of Hcp Crystals”. Acta Physica Polonica A ISSN 1898-794X , vol. 144, no. 1, July 2023, p. 38, https://doi.org/10.12693/APhysPolA.144.38.