A. Nadtochiy, B. Gorelov, O. Polovina, S. Shulga, O. Korotchenkov, and A. Gorb, “Sound Velocities in Graphene-Based Epoxy Nanocomposites”, Phys.Chem.Sol.State, vol. 23, no. 2, pp. 328–334, Jun. 2022.