H. Zollner, R. Sablatnig:
"Comparision of Methods for Geometric Camera Calibration using Planar Calibration Targets";
in: "Digital Imaging in Media and Education, Proc. of the 28th Workshop of the Austrian Association for Pattern Recognition (OAGM/AAPR)", OCG Schriftenreihe, Österreichische Arbeitsgemeinschaft für Mustererkennung, 2004, 237 - 245.