ROOM, T. G. Spinors, Pseudo-Quaternions, and Orthogonal Groups. The Journal of the Indian Mathematical Society, [S. l.], v. 24, n. 3-4, p. 479–513, 1960. DOI: 10.18311/jims/1960/16928. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16928. Acesso em: 5 may. 2024.