SÖDERLING, Ismo; WESTERLUND, Ann-Christine. In memoriam. Migration-Muuttoliike, [S. l.], v. 41, n. 4, p. 69–70, 2014. Disponível em: https://siirtolaisuus-migration.journal.fi/article/view/89883. Acesso em: 24 mar. 2026.