Sanctitas principum : sancti reges, duces, episcopi et abbates Europae Centralis (saec. XI-XIII) = Sanctity of the leaders : holy kings, princes, bishops, and abbots from Central Europe (eleventh to thirteenth centuries) / - Klaniczay, Gábor; Csepregi, Ildikó; Ga spar, Cristian; Bak, J anos M.; Berend, Nora; Schumann, Marina; Brad acs, G abor