VAN THIEL, P. J. J. In memoriam Luitsen Kuiper 1936-1989. The Rijksmuseum Bulletin, [S. l.], v. 37, n. 4, p. 307–309, 1989. DOI: 10.52476/trb.20661. Disponível em: https://bulletin.rijksmuseum.nl/article/view/20661.. Acesso em: 26 dec. 2024.