Rayhan, M. A., et al. “First-Principles Study of Vickers Hardness and Thermodynamic Properties of Ti<sub>3< sub>SnC<sub>2< Sub> Polymorphs”. Journal of Scientific Research, vol. 7, no. 3, Sept. 2015, pp. 53-64, doi:10.3329/jsr.v7i3.23182.