Pérez-Salas, R., M, T., Aceves, R., Rodríguez -Mijangos, R. and Barboza-Flores, M. (2003) “Optical vibronic spectra of aggregates in Eu$^{\mathbf2+}$ -doped KCl and KBr crystals”, Revista Mexicana de Física, 49(2), pp. 102–0. Available at: https://rmf.smf.mx/ojs/index.php/rmf/article/view/3139 (Accessed: 4 July 2024).