Application of Evolutionary Algorithms to the Problem of New Clustering of Psychological Categories Using Real Clinical Data Sets. - Thomas Villmann; Beate Villmann; Conny Albani (Fuzzy Days, 1997)

Evolutionary Algorithms with Self-Organizing Population Dynamic for Clustering of Categories in Psychotherapy Research Using Large Clinical Data Sets. - Thomas Villmann; A. Körner; Conny Albani (NC, 1998)

Clustering of Categoric Data in Medicine - Application of Evolutionary Algorithms. - Thomas Villmann; Conny Albani (Fuzzy Days, 2001)