SPOTTISWOODE, S. James P. Richard G. (Dick) Shoup, 1943–2015. Journal of Scientific Exploration, [S. l.], v. 30, n. 1, 2016. Disponível em: https://journalofscientificexploration.org/index.php/jse/article/view/1021. Acesso em: 25 apr. 2026.