On Estimating Local Geometric Properties of Intersection Curves. - Shin-Ting Wu; Osmar Aléssio; Sueli I. Rodrigues Costa (SIBGRAPI, 2000)

Tracing along an Intersection Closed Loop, When Should One Stop? - Shin-Ting Wu; Osmar Aléssio (SIBGRAPI, 2001)

Complete and non-overlapping marching along a closed regular intersection curve. - Shin-Ting Wu; Osmar Aléssio (Comput. Graph., 2002)

A complete and non-overlapping tracing algorithm for closed loops. - Shin-Ting Wu; Osmar Aléssio; Sueli I. Rodrigues Costa (Comput. Aided Geom. Des., 2005)

Differential geometry of intersection curves in R4 of three implicit surfaces. - Osmar Aléssio (Comput. Aided Geom. Des., 2009)

Formulas for second curvature, third curvature, normal curvature, first geodesic curvature and first geodesic torsion of implicit curve in n-dimensions. - Osmar Aléssio (Comput. Aided Geom. Des., 2012)

Differential geometry of non-transversal intersection curves of three parametric hypersurfaces in Euclidean 4-space. - Osmar Aléssio; Mustafa Düldül; Bahar Uyar Düldül; Sayed Abdel-Naeim Badr; Nassar H. Abdel-All (Comput. Aided Geom. Des., 2014)

Non-transversal intersection curves of hypersurfaces in Euclidean 4-space. - Sayed Abdel-Naeim Badr; Nassar H. Abdel-All; Osmar Aléssio; Mustafa Düldül; Bahar Uyar Düldül (J. Comput. Appl. Math., 2015)

Differential geometry of non-transversal intersection curves of three implicit hypersurfaces in Euclidean 4-space. - Osmar Aléssio; Mustafa Düldül; Bahar Uyar Düldül; Nassar H. Abdel-All; Sayed Abdel-Naeim Badr (J. Comput. Appl. Math., 2016)