EVALD, P. Tankens klarhed bag lysets bibliotek. Biblioteksarbejde, [S. l.], n. 51/52, p. 101–103, 1997. DOI: 10.7146/bibarb.v0i51/52.102719. Disponível em: https://tidsskrift.dk/bibarb/article/view/102719. Acesso em: 9 maj. 2024.