BOS, J.; KLOOSTERMAN, I. Kars Dekker, Gerard Heymans, Grondlegger van de Nederlandse psychologie. BMGN - Low Countries Historical Review, [S. l.], v. 128, n. 1, p. review 6, 2013. DOI: 10.18352/bmgn-lchr.8223. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-109906. Acesso em: 5 may. 2024.