1. Modelling Bi-commmal Conflict : A Progress Report;Mitchell,1976
2. Why Men Rebel;Gurr,1970
3. Self-anchoring scaling …;Kilpatrick;Journal of Individual Psychology,1960
4. Rising expectations and political turmoil;Oberschall;Journal of Development Studies,1969
5. Relative Deprivation and Social Justice;Runciman,1972