1. Barnard, G.A. (1974): Pivotals and robust estimation, Proceedings of the Conference on Foundation Questions in Statistical Inference, Ed. by O. Barndorff-Nielsen, P. Blaesild, and G. Schore, Aarhus, Aarhus University.
2. — (1977): Pivotal inference and the bayesian controversy, Proceedings 41st Session of the ISI, 47(1), 543–551.
3. Brenner, David and Fraser, D.A.S. (1980): The identification of distribution form, Statistische Hefte 21, 295–304.
4. Dempster, A.P. (1966): New methods of reasoning toward posterior distribution based on sample data, Annals Mathematical Statistics, 37, 355–374.
5. Fraser, D.A.S. (1966): Structural probability and a generalisation, Biometrika, 53, 1–9.