Sozialer Fortschritt, Vol. 67 (2018), Iss. 8-9 : pp. 759–782
Credit and Capital Markets – Kredit und Kapital, Vol. 51 (2018), Iss. 2 : pp. 293–314
Credit and Capital Markets – Kredit und Kapital, Vol. 52 (2019), Iss. 2 : pp. 229–250
