#### Volume 6, issue 2 (2002)

 1 M D Baker, Covers of Dehn fillings on once-punctured torus bundles, Proc. Amer. Math. Soc. 105 (1989) 747 MR964452 2 M D Baker, Covers of Dehn fillings on once-punctured torus bundles II, Proc. Amer. Math. Soc. 110 (1990) 1099 MR1027087 3 D Gabai, On 3–manifolds finitely covered by surface bundles, from: "Low-dimensional topology and Kleinian groups (Coventry/Durham, 1984)", London Math. Soc. Lecture Note Ser. 112, Cambridge Univ. Press (1986) 145 MR903863 4 S P Humphries, Generators for the mapping class group, from: "Topology of low-dimensional manifolds (Proc. Second Sussex Conf., Chelwood Gate, 1977)", Lecture Notes in Math. 722, Springer (1979) 44 MR547453 5 T Kanenobu, The augmentation subgroup of a pretzel link, Math. Sem. Notes Kobe Univ. 7 (1979) 363 MR557309 6 J D Masters, Virtual homology of surgered torus bundles, Pacific J. Math. 195 (2000) 205 MR1781620 7 W D Neumann, A W Reid, Arithmetic of hyperbolic manifolds, from: "Topology '90 (Columbus, OH, 1990)", Ohio State Univ. Math. Res. Inst. Publ. 1, de Gruyter (1992) 273 MR1184416 8 J P Otal, Thurston's hyperbolization of Haken manifolds, from: "Surveys in differential geometry, Vol III (Cambridge, MA, 1996)", Int. Press, Boston (1998) 77 MR1677888 9 A W Reid, Arithmeticity of knot complements, J. London Math. Soc. $(2)$ 43 (1991) 171 MR1099096 10 A W Reid, Isospectrality and commensurability of arithmetic hyperbolic 2- and 3–manifolds, Duke Math. J. 65 (1992) 215 MR1150584 11 R F Riley, Parabolic representations and symmetries of the knot $9_ {32}$, from: "Computers in geometry and topology (Chicago, IL, 1986)", Lecture Notes in Pure and Appl. Math. 114, Dekker (1989) 297 MR988702 12 W P Thurston, A norm for the homology of 3–manifolds, Mem. Amer. Math. Soc. 59 (1986) MR823443 13 F Waldhausen, On irreducible 3–manifolds which are sufficiently large, Ann. of Math. $(2)$ 87 (1968) 56 MR0224099