The Van Houten Monuments. A Reconstruction of the methods of Eelke van Houten (1872-1970) Walther Schoonenberg. KNOB [Internet]. 2012 Dec. 1 [cited 2026 Apr. 21];111(4):221-3. Available from: https://bulletin.knob.nl/index.php/knob/article/view/Schoonenberg221