Easy Calibration of Pan/Tilt Camera Heads and Online Computation of the Epipolar Correspondences. - Stephan Spiess; Mengxiang Li (ICIAP (1), 1997)

On the calibration of a 6-D laser tracking system for dynamic robot measurements. - Stephan Spiess; Markus Vincze; Minu Ayromlou (IEEE Trans. Instrum. Meas., 1998)

Comments on "On the kinematics of robot heads". - Stephan Spiess; Markus Vincze (IEEE Trans. Robotics Autom., 1998)