*Donald M. Krus, Seymour Wapner, Heinz Werner: Studies in Vicariousness: Effect of Muscular Involvement on Visual Threshold, The American Journal of Psychology, Vol. 71, No. 2 (Jun., 1958), pp. 395-398 | *Donald M. Krus, Seymour Wapner, Heinz Werner: Studies in Vicariousness: Effect of Muscular Involvement on Visual Threshold, The American Journal of Psychology, Vol. 71, No. 2 (Jun., 1958), pp. 395-398 |