Sørensen, P. B., Carlsen, L., Mogensen, B. B., Sørensen, P. B. (red.), Carlsen, L. (red.)
, Mogensen, B. B. (red.), Brüggemann, R. (red.), Luther, B. (red.), Pudenz, S. (red.), Simon, U. (red.), Halfon, E. (red.), Bittner, T. (red.), Voigt, K. (red.), Welzl, G. (red.) & Rediske, F. (red.) (2000).
Uncertainty in Partial Order Ranking. I
NERI Technical Report (s. 45-52). National Environmental Research Institute.
Bak, J., Johansson, M. (red.) & Lindström, M. (red.) (1999).
Uncertainties in Impacts. I
The Finnish Environment (s. 30-33). Helsinki: Finnish Environment Institute.