PAUL, F.; SCHÄDLICH, M.; ERLACHER, D. Lucid dream induction by visual and tactile stimulation: An exploratory sleep laboratory study. International Journal of Dream Research, [S. l.], v. 7, n. 1, p. 61–66, 2014. DOI: 10.11588/ijodr.2014.1.13044. Disponível em: https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/13044. Acesso em: 1 feb. 2023.