Author: Vserossiĭskai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Problemy okhrany i restavrat︠s︡ii pami︠a︡tnikov v sovremennykh uslovii︠a︡kh" (2002 Bolgar, Spasskiĭ raĭon, Tatarstan, Russia)