Graaff B de. H. Flap, W. Arts, De organisatie van de bezetting. BMGN-LCHR [Internet]. 1999 Jan. 1 [cited 2024 May 5];114(1):145-6. Available from: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105655