S. M. S. Cordeiro, A. M. de J. C. Neto, R. Barros, and J. F. da S. Costa, “Golden ratio, Concentric Circumferences and Planetary Distances”, ijaers, vol. 6, no. 11, Nov. 2019, Accessed: Nov. 23, 2024. [Online]. Available: https://journal-repository.com/index.php/ijaers/article/view/1311