R.E.V. Stuip, Meer dan muziek alleen. In memoriam Kees Vellekoop. BMGN - Low Countries Historical Review, [S. l.], v. 120, n. 2, p. 270–271, 2005. DOI: 10.18352/bmgn-lchr.6206. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107104.. Acesso em: 25 nov. 2024.