Peet, Benjamin. “Finite, Fiber- and Orientation-Preserving Group Actions on Totally Orientable Seifert Manifolds”. Annales Mathematicae Silesianae 33 (June 22, 2019): 235–265. Accessed May 6, 2025. https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13670.