TY - GEN A1 - Kaulard, Kathrin A1 - Cunningham, Douglas W. A1 - Bülthoff, Heinrich H. A1 - Wallraven, Christian T1 - The MPI facial expressions database - A validated database of emotional and conversational facial expressions T2 - PLoS one Y1 - 2012 SN - 1932-6203 VL - 7 IS - 3 SP - 1 EP - 18 ER -