da Silva Seraphim, Janaina, and Isabel Leite Cafezeiro. “Considerations about the Colors of the Rainbow and the Symbolism of the Number Seven in the Works of Isaac Newton”. Scientiarum Historia Magazine 10 (July 4, 2022): e357. Accessed October 12, 2025. http://bibcegos.nce.ufrj.br/~revistas/index.php/RevistaSH/article/view/357.