1. Aschenbrenner, M., Friedl, S., Wilton, H.: 3-manifold groups. EMS Series of Lectures in Mathematics. European Mathematical Society (2015)
2. Baker, M.D., Reid, A.W., Goerner, M.: All principal congruence link groups. J. Algebra 528, 497–504 (2019)
3. Canary, R.D., Epstein, D.B.A., Green, P.: Notes on notes of Thurston, Analytical and geometric aspects of hyperbolic space (Coventry/Durham, 1984). London Math. Soc. Lecture Note Ser, vol. 111, pp 3–92. Cambridge University Press, Cambridge (1987)
4. Champanerkar, A., Kofman, I.: Determinant density and biperiodic alternating links. New York J. Math. 22, 891–906 (2016)
5. Champanerkar, A., Kofman, I., Lalín, M.: Mahler measure and the vol-det conjecture. J. London Math. Soc. 99(3), 872–900 (2019)