Mamuka TSURTSUMIA, Book review:Piotr L. GROTOWSKI. Arms and Armour of the Warrior Saints: Tradition and Innovation in Byzantine Iconography (843-1261). Translated by Richard Brzezinski. Leiden, Boston: Brill, 2010., Βυζαντινά Σύμμεικτα, 22|2012, 363-369