3Dennis C.Stickley,New Forces in International Energy Law:A Discussion of Political,Economic,and Environmental Forces within the Current International Energy Market[J].Tulsa Journal of Comparative & International Law,Vol.1,1993-1994:96.
4Thomas W.Walde.International Energy Law:Concepts,Context and Players[EB/OL].[2009-07-09].http://www.dundee.ac.uk/cepmlp/journal/htm/vol9/vol9-21.html.
5Alan Boyle,David Freestone,International Law and SustainableDevelopment:Past,Achievement and Future Challenges[M].Oxford:Oxford University Press,1999:8.
6Ian Brownlie.Principles of Public International Law[M].Oxford:Oxford University Press,1998:287.
10Report of the Study Group of the International Law Commission , Fragmentation of International Law : Difficulties Arising from the Diversification and Expansion of International Law.