TY - JOUR A1 - Koob, Dirk T1 - Teachers` Authenticity in Adult and Continuing Education. An existentialist approach to professionality T2 - Journal of Educational Sciences Y1 - 2009 UR - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/2577 VL - 11 IS - 2 ER -