On the slice genus of links. Florens, Vincent, Gilmer, Patrick M. (2003) Algebraic & Geometric Topology
On the stable equivalence of open books in three-manifolds. Giroux, Emmanuel, Goodman, Noah (2006) Geometry & Topology
On the structure of the centralizer of a braid Juan González-Meneses, Bert Wiest (2004) Annales scientifiques de l'École Normale Supérieure
Open 3-manifolds and branched coverings: a quick exposition. Montesinos-Amilibia, José-María (2007) Revista Colombiana de Matemáticas