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

P.H.D. Leupen
1988 BMGN: Low Countries Historical Review  
doi:10.18352/bmgn-lchr.2902 fatcat:hffuxe23hfeapi4bkyopdhhojy