Author: Vsesoi︠u︡znai︠a︡ t︠s︡entralʹnai︠a︡ nauchno-issledovatel'skai︠a︡ laboratorii︠a︡ po konservat︠s︡ii i restavrat︠s︡ii muzeĭnykh khudozhestvennykh t︠s︡ennosteĭ