MEYER-KALKUS, Reinhart. Literarische Vortragskunst in Petersburg. Hyperboreus, Bern, v. 17, p. 513–518, 2011. DOI: 10.36950/hyperboreus.v17a44. Disponível em: https://bop.unibe.ch/Hyperboreus/article/view/13299. Acesso em: 7 feb. 2026.