Kars Dekker, Gerard Heymans, Grondlegger van de Nederlandse psychologie. BMGN-LCHR [Internet]. 2013 Mar. 19 [cited 2024 Jun. 28];128(1):review 6. Available from: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-109906