LEUPEN, P. V.D. van Aalst, K.N. Ciggaar, Byzantium and the Low Countries in het tenth century. Aspects of art and history in the Ottonian era. BMGN - Low Countries Historical Review, [S. l.], v. 103, n. 1, p. 62–63, 1988. DOI: 10.18352/bmgn-lchr.2902. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103255. Acesso em: 29 mar. 2024.