Der Betriebswirt, Vol. 54 (2013), Iss. 3 : pp. 23–26 | First published online: June 26, 2019
Der Betriebswirt, Vol. 51 (2010), Iss. 4 : pp. 18–23 | First published online: July 10, 2019
Credit and Capital Markets – Kredit und Kapital, Vol. 52 (2019), Iss. 3 : pp. 375–421 | First published online: October 08, 2019
Der Betriebswirt, Vol. 56 (2015), Iss. 4 : pp. 20–27 | First published online: May 16, 2019