1. On a formula for the distribution of the maximum likelihood estimator;Barndorff-Nielsen;Biometrika,1983
2. Barndorff-Nielsen, O.E. (1985). Properties of modified profile likelihood. In Contributions to Probability and Statistics in Honour of Gunnar Blom, Eds. J. Lanke and G. Lindgren, pp.25–38, Lund.
3. Inference on full or partial parameters based on the standardized log likelihood ratio;Barndorff-Nielsen;Biometrika,1986
4. Parametric Statistical Models and Likelihood;Barndorff-Nielsen,1988
5. Adjusted versions of profile likelihood and directed likelihood, and extended likelihood;Barndorff-Nielsen;J.R. Statist. Soc. B.,1992