1. Modes of resolution of belief dilemmas;Abelson;Journal of Conflict Resolution,1959
2. Multidimensional scaling of facial expressions;Abelson;Journal of Experimental Psychology,1962
3. Beitrag zur Entwicklung des Physiognomie und Mimik-Erkenntnis;Ahrens;Zectschaft für experimentelle und angewandt Psychologie,1954
4. The experimental analysis of social performance;Argyle,1967
5. The gestalt theory of expression;Arnheim;Psychological Review,1949