1. Torus knots that cannot be untied by twisting;Aı̈t Nouh;Rev. Mat. Comput. Madrid,2001
2. On Culler–Shalen seminorms and Dehn filling;Boyer;Ann. of Math,1998
3. Dehn surgery on knots;Culler;Ann. of Math,1987
4. Foliations and the topology of 3-manifolds III;Gabai;J. Differential Geom,1987
5. H. Goda, C. Hayashi, H.-J., Song, Private correspondence, 2002