SCHREDL, M.; BOCKLAGE, A.; ENGELHARDT, J.; MINGEBACH, T. Psychological boundaries, dream recall, and nightmare frequency: a new Boundary Personality Questionnaire (BPQ). International Journal of Dream Research, [S. l.], v. 2, n. 1, p. 12–19, 2009. DOI: 10.11588/ijodr.2009.1.162. Disponível em: https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/162. Acesso em: 5 dec. 2022.