MÄNTYVAARA, I. Hissiatri muistelee. Tekniikan Waiheita – the Finnish quarterly for the history of technology, [S. l.], v. 39, n. 2, p. 116–117, 2021. DOI: 10.33355/tw.109378. Disponível em: https://journal.fi/tekniikanwaiheita/article/view/109378. Acesso em: 18 sep. 2024.