Autor_innen | BELTZ https://www.beltz.de/autor_detailansicht.html?tx_beltz_copyrightholder%5B%40widget_1%5D%5BcurrentPage%5D=5&tx_beltz_journal%5Baction%5D=article&tx_beltz_journal%5Barticle%5D=42147&tx_beltz_journal%5Bcontroller%5D=Journal&cHash=39bb8af41aff94484a07d7da838cf530
Petra Appelmann, Karl-Heinz Appelt, Kathi Appenzeller