Subject-Specific Distortions in Haptic Perception of Force Direction. - Femke E. van Beek; Wouter M. Bergmann Tiest; Frank L. Gabrielse; Bart W. J. Lagerberg; Thomas K. Verhoogt; Bart G. A. Wolfs; Astrid M. L. Kappers (EuroHaptics (1), 2014)