N. Spangenberg, K. Wolff, and S. Lübben. Psychoanalytic research by means of formal concept analysis, Special des Sigmund--Freud--Instituts, Lit Verlag, Münster, (to appear)
N. Spangenberg, R. Fischer, and K. Wolff. Psychoanalytic research by means of formal concept analysis, Special des Sigmund--Freud--Instituts, Lit Verlag, Münster, (to appear)
C. Hébert, and B. Crémilleux. 5th International Conference on Machine Learning and Data Mining (MLDM'07), page --. Leipzig, Germany, Springer-Verlag, (July 2007)