Perekrestova, S. V.
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PERM UNIVERSITY HERALD. History No. 2 (2021): Вестник Пермского университета. История - Статьи
NEW MEANS OF COMMUNICATION AND THE OLD SYSTEM (INTEGRATION OF THE TELEPHONE ACTIVITY INTO THE SYSTEM OF STATE REGULATION OF COMMUNICATIONS IN RUSSIA IN THE LATE 19TH AND EARLY 20TH CENTURIES)
Abstract PDF (Русский) PDF