BASCHMAKOFF, N. Aikamatka Leninburgiin: Elena Hellberg-Hirn: Imperial Imprints - Post-Soviet St Petersburg. Idäntutkimus, [S. l.], v. 11, n. 1, p. 80–81, 2004. Disponível em: https://journal.fi/idantutkimus/article/view/82954. Acesso em: 22 marras. 2024.