FORD, L. R., JR. (1957). Solutions of a ranking problem from binary comparisons , Amer. math. monthly, 64, 28-33 .
2.
KUHN, T. S. (1959) The essential tension: tradition and innovation in scientific research , in Research conference in the identification of creative scientific talent. University of Utah, p. 162-177 .
3.
MULDER, M. (1960), Communication structure, decision structure, and group performance , Sociometry, 23, 1-14 .
4.
PELZ, D. C. & ANDREWS, F. M. (1966). Scientists in organizations. New York: John Wiley & Son .
5.
SHEPARD, H. A. (1956), Creativity in R & D teams , Res. and Engineering, October, 10-13 .
6.
SMITH, C. G. , (1966). Organizational factors in scientific performance in an industrial research laboratory. University of Wisconsin: Final Technical Report to the Office of Naval Research .
7.
WELLS, W. P. (1962) Group age and scientific performance. University of Michigan Doctoral dissertation.