1. As stated by the International Court of Justice in the 'North Sea Continental Shelf', ICJ Reports 1969, p. 43. IF. Dekker and H.H.G. Post
2. (Eds), On the Foundations and Sources of International Law © 2003, T.M.C. ASSER PRESS, The Hague, and the authors 27th ed., revised by P.H. Winfield (London, 1925).
3. Otherwise, M. Bos, in A Methodology of International Law (Amsterdam-New York-Oxford, 1984), for instance pp. 221–223.
4. Re. my Fasen van Volkenrechtsvorming en het nut van internationaal gewoonterecht (Alphen a/d Rijn, 1979), pp 14-15 and 22, note 34. [This text has been published in English as ‘How is International Law Made? The Stages of Growth of International Law and the Use of its Customary Rules, Netherlands Yearbook of International Law 1978 (further NYIL), pp. 3-26; eds.]
5. The Convention on the Law of Treaties is published in the Tractatenblad, 1972, 51, the Dutch translation in Tractatenblad 1977, 169. [Tractatenblad — further Trb.— is the Netherlands official publication service for treaties; PHvD]