NIELSEN, Hans Jørn. Summaries. Biblioteksarbejde, [S. l.], n. 62, p. 61–63, 2001. DOI: 10.7146/bibarb.v0i62.100499. Disponível em: https://tidsskrift.dk/bibarb/article/view/100499. Acesso em: 15 jan. 2026.