J.H.O. Insinger, De achterkant van de diplomatie. BMGN-LCHR [Internet]. 1988 Jan. 1 [cited 2024 Oct. 17];103(2):305-6. Available from: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103345