1. The Klein group as an automorphism group without fixed points;Bauman;Pacific J. Math.,1966
2. Class two p groups as fixed point free automorphism groups;Berger;Illinois J. Math.,1970
3. T. R. Berger, Hall-Higman type theorems. I, to appear.
4. T. R. Berger, Hall-Higman type theorems. II, to appear.
5. T. R. Berger, Hall-Higman type theorems. III, to appear.