СМИРНОВ, И. П. Historical and geographical analysis network development and city-forming functions medium-sized cities. HERALD OF TVER STATE UNIVERSITY. SERIES: GEOGRAPHY AND GEOECOLOGY, [S. l.], n. 1, p. 88–100, 2019. Disponível em: https://journal.tversu.ru/index.php/geo/article/view/144. Acesso em: 13 nov. 2024.