[19] Jan B.Mus,Conflicts between Treaties in International Law,Netherlands International Law Review,Vol.,1998,p.230.
[20] Yearbook of the International Law Commission 1964,Vol.Ⅰ,p.131.
[21] Ian Sinclair,The Vienna Convention on the Law of Treaties,second edition,Manchester University Press 1984,p.93.
[22] Ali Sadat-Akhavi,Methods of Resolving Conflicts between Treaties,Nijhoff 2003,pp.70-84.