1. Adams, C.C., Reid, A.W.: Systoles of hyperbolic
$$3$$
3
-manifolds. Math. Proc. Camb. Philos. Soc. 128, 103–110 (2000)
2. Baker, M.D.: Link complements and quadratic imaginary number fields, Ph.D. thesis M.I.T. (1981)
3. Baker, M.D.: Link complements and the homology of arithmetic subgroups of PSL
$$(2,{C})$$
(
2
,
C
)
, I.H.E.S. preprint (1982)
4. Baker, M.D.: Link complements and integer rings of class number greater than one. In: Topology ’90, pp. 55–59. Ohio State University, Mathematical Research Institute Publications 1, de Gruyter (1992)
5. Baker, M.D.: Link complements and the Bianchi modular groups. Trans. Am. Math. Soc. 353, 3229–3246 (2001)