HOURAN, James. An Introduction and Mission of Building Bridges to Reach the Unknown . Journal of Scientific Exploration, [S. l.], v. 36, n. 1, p. 3–7, 2022. DOI: 10.31275/20222439. Disponível em: https://www.journalofscientificexploration.org/index.php/jse/article/view/2439. Acesso em: 24 apr. 2026.