J. Martínez-Fernández, F. Valera-Feria, and A. Ramírez de Arellano-López, “Compressive plastic deformation of polycrystalline Si3N4: considerations on the solution-reprecipitation model and on the cavity-formation model”, Rev. metal., vol. 37, no. 2, pp. 290–294, Apr. 2001.