YLI-JOKIPII, P. Trends in Finnish geography in 1920-1979 in the light of the journals of the period. Fennia - International Journal of Geography, [S. l.], v. 160, n. 1, p. 95–193, 1982. Disponível em: https://fennia.journal.fi/article/view/9114. Acesso em: 19 may. 2024.