WICHTOWSKI, M.; WEINERT-RACZKA, E. Analytical solution for temporal photorefractive response in the diffusion regime. Photonics Letters of Poland, [S. l.], v. 1, n. 4, p. pp. 169–171, 2009. DOI: 10.4302/photon. lett. pl.v1i4.79. Disponível em: https://photonics.pl/PLP/index.php/letters/article/view/1-57. Acesso em: 28 may. 2023.