1. Interaction process analysis: A method for the study of small groups;Bales,1950
2. A set of categories for the analysis of small group interaction;Bales;American Sociological Review,1950
3. The equilibrium problem in small groups;Bales,1953
4. Adaptive and integrative changes as sources of strain in social systems;Bales,1962
5. Role differentiation in small decision-making groups;Bales,1956