Lexikon der Bioethik - Görres-Gesellschaft. (OLS)http://ftis/name/53228; Mikat, Paul. (OLS)http://ftis/name/53352; Beck, Lutwin. (OLS)http://ftis/name/53351; Korff, Wilhelm. (OLS)http://ftis/name/53350 (Gütersloher Verlagshaus, 1998)