Cawagas, et al. (2009)., "THE BASIC SUBALGEBRA STRUCTURE OF THE CAYLEY-DICKSON ALGEBRA OF DIMENSION 32 (TRIGINTADUONIONS)", [2022-04-25], (原始内容存档于2022-04-24)
Cawagas, et al. (2009)., "THE BASIC SUBALGEBRA STRUCTURE OF THE CAYLEY-DICKSON ALGEBRA OF DIMENSION 32 (TRIGINTADUONIONS)", [2022-04-20], (原始内容存档于2022-04-24)
Beiträge zur Algebra und Geometrie, 1997, 38 (1): 1–10 [2021-09-10], ISSN 0138-4821, MR 1447981, (原始内容存档于2021-07-09) Simplex Volumes and the Cayley-Menger