BORNEWASSER, J.A. De ’koele synthese’ voltooid en verantwoord. BMGN - Low Countries Historical Review, [S. l.], v. 104, n. 2, p. 234–241, 1989. DOI: 10.18352/bmgn-lchr.3066. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103456.. Acesso em: 27 nov. 2024.