3D Shape Representation: Transforming Polygons into Voxels. - Stijn Oomes; Peter R. Snoeren; Tjeerd Dijkstra (Scale-Space, 1997)

Position and Altitude of the Nao Camera Head from Two Points on the Soccer Field Plus the Gravitational Direction. - Stijn Oomes; Arnoud Visser (RoboCup, 2024)