Ortiz-Acebedo, A., O. Mata-Mendez, F. Chavez-Rivas, D. Hernández-Cruz, and R. A. Lessard. “Diffraction of Beams by Ronchi Rulings: Comparison Between Two Methods for Gaussian Spot Size Measurements”. Revista Mexicana De Física, vol. 53, no. 2, Jan. 2007, pp. 133-0, https://rmf.smf.mx/ojs/index.php/rmf/article/view/3523.