New Russian State Standard devoted Universal Decimal Classification Submitted by Гость (not verified) on Wed, 08/24/2022 - 19:57 PDF Открыть
Fifty years of Library Bibliographic Classification Research and Development Center Submitted by Гость (not verified) on Wed, 08/24/2022 - 19:57 PDF Открыть
Сlassification culture of the Russia Submitted by Гость (not verified) on Wed, 08/24/2022 - 19:15 PDF Открыть