Spiral CT based assessment of laryngotrachealstenoses with 3D image processing using a Skeletonisation algorithm. - Erich Sorantin; Csongor Halmai; Balázs Erdöhelyi; Kálmán Palágyi; Bernhard Geiger; Gerhard Friedrich; Karl Kiesel; Sven Loncaric (IEEE Trans. Medical Imaging, 2002)