1. Bontekoe, Tj.R., D.J.M. Rester, S.D. Price, A.R.W., de Jonge, and P.R. Wesselius, P.R.: 1991, to be submitted to Astronomy and Astrophysics.
2. Gull, S.F.: 1989, in Maximum Entropy and Bayesian Methods, Cambridge 1988, J. Skilling (ed.), 53–71.
3. Skilling, J.: 1989, in Maximum Entropy and Bayesian Methods, Cambridge 1988, J. Skilling (ed.), 45–52.