Deutsch, M., and R.M. Krauss.The effects of threat upon interpersonal bargaining, Journal of Abnormal and Social Psychology, 1960, 61, 181-89.
2.
Kelley, H.H.Experimental studies of threats in interpersonal negotiations, Journal of Conflict Resolution, 1965, 9, 79-105.
3.
Komorita, S.S., J.P. Shepesh, and S.L. Braver.Power, the use of power, and cooperative choice in a two-person game, Journal of Personality and Social Psychology, 1968, 8 (2), 134-42.
4.
Kramer, C.Y.Extension of multiple range tests to group means with unequal numbers of replications , Biometrrcs, 1956, 12, 307- 10.