1. The use of faces to represent points in k-dimensional space graphically;Chernoff;Journal of the American Statistical Association,1973
2. New possibilities for the representation of process information in industrial control;Elzer,1989
3. Alarm filtering vs. failure prediction;Elzer,1992
4. The visualisation of scientific data;Grinstein;Springer, Informatik Fachberichte,1989
5. Mensch-Maschine-Systeme;Johannsen,1993