Deformation of MR images using a local linear transformation. - Pilar Castellanos; Pedro L. del Ángel; Verónica Médina (Image Processing, 2001)

Nonrigid medical image registration technique as a composition of local warpings. - N. P. Castellanos; Pedro L. del Ángel; Verónica Médina (Pattern Recognit., 2004)

Isotropic umbrella based triangulation of regular parametric surfaces. - Victoria Hernández-Mederos; Pedro L. del Ángel; Jorge Estrada-Sarlabous (Numer. Algorithms, 2008)