Não informado. (1954). Bulletin. Institute for the Study of the History and Culture of the Ussr.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin. Munich, Alemanha: Institute for the Study of the History and Culture of the Ussr, 1954.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin. Institute for the Study of the History and Culture of the Ussr, 1954.
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