Más Sansó, R., M. J. Abásolo Guerrero, A. E. De Giusti, C. García-Bauzá, M. Vénere, and C. Manresa Yee. “Low Cost Optical Multi-Touch Tables: Projected Versus LCD Optical”. Journal of Computer Science and Technology, vol. 13, no. 02, Oct. 2013, pp. p. 64-68, https://journal.info.unlp.edu.ar/JCST/article/view/621.