Holy Lance, Holy Crown, Holy Dexter: Sanctity of Insignia in Medieval East Central Europe. In: Litavrin GG, editor. Anfologion : vlast’, obshchestvo, kultura v slavianskom mire v srednie veka k 70–letiiu Borisa Nikolaevicha Florii. Vol 12. Moscow: Indrik; 2008. p. 56-65. (Slaviane i ikh sosedi; vol 12).