Koskelo, J. ., Fugallo, G. ., Hakala, M. ., Gatti, M. ., Sottile, F. ., & Cudazzo, P. . (2017). Excitons in van der Waals materials: From monolayer to bulk hexagonal boron nitride. Phys. Rev. B, 95, 035125. https://doi.org/10.1103/PhysRevB.95.035125 (Original work published 2024)