G. Stumme. Conceptual Structures: Knowledge Representation as Interlingua Proc. ICCS'96, volume 1115 of LNAI, page 308-320. Heidelberg, Springer, (1996)
F. Lehmann, and R. Wille. Conceptual structures: applications, implementation and theory, 954, page 32-43. Berlin--Heidelberg--New~York, Springer--Verlag, (1995)
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)