ROCK, ADAM J.; KRIPPNER, STANLEY. Proposed Criteria for the Necessary Conditions for Shamanic Journeying Imagery. Journal of Scientific Exploration, [S. l.], v. 22, n. 2, 2010. Disponível em: https://www.journalofscientificexploration.org/index.php/jse/article/view/137. Acesso em: 14 may. 2026.