Introduction to the general principles of the partial order ranking theory
Rainer Brüggemann and Efraim Halfon
2000
Order theoretical tools in environmental sciences. - Roskilde, 2000. - (NERI technical report / National Environmental Research Institute ; 318). - S. 7-43
Cluster analysis and its use in Hasse diagram technique
B. Luther; R. Brüggemann; S. Pudenz
2000
Order theoretical tools in environmental sciences. - Roskilde, 2000. - (NERI technical report / National Environmental Research Institute ; 318). - S. 53-72