1. Interaction Process Analysis: A Method for the Study of Small Groups;Bales,1950
2. The equilibrium problem in small groups;Bales,1952
3. Role differentiation in small decision-making groups;Bales,1955
4. Channels of communication in small groups;Bales;Am. Sociol. Rev.,1951
5. Status characteristics and social interaction;Berger;Am. Sociol. Rev.,1972