Mayer, Gerhard A. “Astrology and Science: A Precarious Relationship. Part 2: Considerations of Empirical Investigations on the Validity of Astrology”. Journal of Scientific Exploration 34, no. 4 (December 24, 2020): 794-830. Accessed October 17, 2021. https://journalofscientificexploration.org/index.php/jse/article/view/1697.