#### Volume 5, issue 2 (2005)

 1 M Culler, C M Gordon, J Luecke, P B Shalen, Dehn surgery on knots, Ann. of Math. $(2)$ 125 (1987) 237 MR881270 2 M Culler, P B Shalen, Boundary slopes of knots, Comment. Math. Helv. 74 (1999) 530 MR1730656 3 N M Dunfield, Cyclic surgery, degrees of maps of character curves, and volume rigidity for hyperbolic manifolds, Invent. Math. 136 (1999) 623 MR1695208 4 M Ishikawa, T W Mattman, K Shimokawa, Exceptional surgery and boundary slopes, Osaka J. Math. 43 (2006) 807 MR2303551 5 T W Mattman, The Culler–Shalen seminorms of pretzel knots, PhD thesis, McGill University, Montreal (2000) 6 T W Mattman, The Culler–Shalen seminorms of the $(-3,3,4)$ pretzel knot, from: "Knot Theory – dedicated to Prof. Murasugi (Univ. of Toronto, 1999)" (2000) 212 arXiv:math.GT/0102049