4Bin Cheng, Military Use of Outer Space : Article IV of the 1967 Space Treaty Revisited, in The Utilization of The World' s Air Space and Free Outer Space In the 21st Century, edited by Chia- Jui Cheng and Doo Hwan Kim, Kluwer Law International, The Hague/London/Boston, 2000, p305.
5Adam G. Quinn, The New Age of Space Law: the Outer Space Treaty and the Weaponization of Space, in Minnesota Journal of International Law, summer 2008, p475.
