1. Analysis of Choice Behaviour via Probabilistic Ideal Point and Vector Models;Böckenholt;Applied Stochastic Models and Data Analysis,1986
2. New Product Introduction based on Pre-Test-Market Data;Böckenholt,1987
3. Ein Vergleich zweimodaler Cluster-analyseverfahren;Both;Methods of Operations Research,1987
4. Turbo Prolog;Borland,1986
5. EXPRESS — An Expert System Utilizing Standard Statistical Packages;Carlsen,1986