BERENCÉN, Y.; 						HIDALGO, O..
Fabrication and characterization of Plane Optical Guides with Gradual Refractive Index Profile.
<strong>Revista Cubana de Física</strong>, [S.l.], v. 24, n. 2, p. 161-164, dec. 2007.
ISSN 2224-7939.
Available at: &lt;<a href="https://revistacubanadefisica.org/index.php/rcf/article/view/RCF_24_2_161" target="_new">https://revistacubanadefisica.org/index.php/rcf/article/view/RCF_24_2_161</a>&gt;. Date accessed: 04 may 2024.