BALES, R. F. (1950). Interaction process analysis. Cambridge, Mass.: Addison-Wesley .
2.
BAVELAS, A. (1950). Communication patterns in task-oriented groups. In D. Cartwright & A. Zander (Eds.), Group dynamics: research and theory (1960). Evanston, Ill.: Row, Peterson; London: Tavistock Publications .
3.
BERELSON, B. , LAZARSFELD, P. F. & MCPHEE, W. M. (1954). Voting. Chicago, Ill.: University of Chicago Press .
4.
BREED, W. (1960). Social control in the newsroom. In W. Schramm (Ed.), Mass communication. (2nd ed.) Urbana, Ill.: University of Illinois Press .
5.
CAMPBELL, A. , BURIN, G. & MILLER, W. D. (1954). The voter decides. Evanston, Ill.: Row, Peterson .
6.
CARTWRIGHT, D. & ZANDER, A. (1960). Group dynamics: research and theory. Evanston, Ill.: Row, Peterson; London: Tavistock Publications .
7.
FESTINGER, L. (1950). Informal social communication. In D. Cartwright & A. Zander (Eds.), Group dynamics: research and theory (1960). Evanston, Ill.: Row, Peterson; London: Tavistock Publications .
8.
FESTINGER, L. (1957). A theory of cognitive dissonance. Evanston, Ill.: Row, Peterson .
9.
HEISE, G. A. & MILLER, G. A. (1951). Problem solving by small groups using various communication nets . J. abnorm. soc. Psychol.45, 327-336 .
10.
KELLEY, H. H. (1951). Communication in experimentally created hierarchies. In D. Cartwright & A. Zander (Eds.), Group dynamics: research and theory (1960). Evanston, Ill.: Row, Peterson; London: Tavistock Publications .
11.
LEAVITT, H. J. (1951). Some effects of certain communication patterns on group performance . J. abnorm. soc. Psychol.45, 38-50 .
12.
LEAVIrr, H. J. & MUELLER, R. A. H. (1951). Some effects of feedback on communication . Hum. Relat.4, 401-410 .
13.
LIPPITT, R. & WHITE, R. (1940). The 'social climate' of children's groups. In R. Barker , J. Kounin & H. Wright (Eds.), Child behavior and development. New York: McGraw-Hill .
14.
SCHRAMM, W. (1955). Information theory and mass communication . Journ. Quart.32, 131-146 .
15.
SCHRAMM, W. (1955). Communication in small task groups (mimeographed). Stanford, Calif.: Stanford University .
16.
SEARS, R. (1951). A dyadic model for interaction. In T. Parsons & E. Shils (Eds.), Toward a general theory of action. Cambridge, Mass.: Harvard University Press .
17.
SHANNON, C. E. & WEAVER, W. (1949). The mathematical theory of communication. Urbana, Ill.: University of Illinois Press .
18.
SIEGEL, S. (1956). Nonparametric statisticsfor the behavioral sciences. New York: McGraw-Hill .