NEWMAN ALLEN, H. A Model Illustrating the Passage of a Light Wave through Quartz. The Journal of the Indian Mathematical Society, [S. l.], v. 4, n. 1, p. 11–14, 1912. DOI: 10.18311/jims/1912/17775. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/17775. Acesso em: 8 may. 2024.