Martí-López, L., R. González-Peña, R. Martínez-Celorio, and E. Ramírez-Miquet. “Vibrometer Based on a Self-Mixing Effect Interferometer”. Revista Mexicana De Física, vol. 58, no. 5 Sept-Oct, Jan. 2012, pp. 422-7, https://rmf.smf.mx/ojs/index.php/rmf/article/view/3944.