View-Based Recognition of Faces in Man and Machine: Re-visiting Inter-extra-Ortho. - Christian Wallraven; Adrian Schwaninger; Sandra Schuhmacher; Heinrich H. Bülthoff (Biologically Motivated Computer Vision, 2002)

Using 3D computer graphics for perception: the role of local and global information in face processing. - Adrian Schwaninger; Sandra Schuhmacher; Heinrich H. Bülthoff; Christian Wallraven (APGV, 2007)