Luna López, J. A., J. L. Sosa Sánchez, S. Granillo Martínez, J. Carrillo López, J. F. Flores Gracia, and J. Martínez Juárez. “Structural and Optical Properties of a New Soluble Erbium (III) octa-substituted bis-Phthalocyaninecomplex”. Superficies Y Vacío, vol. 27, no. 4, Dec. 2014, p. 110, https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/2.