On UNESCO's contribution to restoring suffered funds of the Library of the Academy of Sciences Submitted by Гость (not verified) on Thu, 08/25/2022 - 12:44 PDF Открыть
FORMATION OF BOOK HERITAGE PRESERVATION PRINCIPLES IN THE CULTURAL INSTITUTIONS OF THE RUSSIAN FEDERATION Submitted by Гость (not verified) on Wed, 08/24/2022 - 18:10 PDF Открыть