Altendorf, Hellen, and Dominique Jeulin. “3D DIRECTIONAL MATHEMATICAL MORPHOLOGY FOR ANALYSIS OF FIBER ORIENTATIONS”. Image Analysis and Stereology 28, no. 3 (May 3, 2011): 143–153. Accessed April 30, 2025. http://233.ablak.arnes.si/ojs/index.php/IAS/article/view/857.