1. IAA “Cosmic Study on Space Traffic Management”, Paris 2006, in: edited by C. Contant-Jorgensen (Secretary of the Study Group), P. Lala, K.-U. Schrogl (Coordinators of the Study Group) (Eds.), The Study Group consisted of 16 contributors from numerous countries covering engineering, policy and legal aspects. Download at 〈http://iaaweb.org/iaa/Studies/spacetraffic.pdf〉.
2. L. Perek, Traffic Rules for Outer Space, in: International Colloquium on the Law of Outer Space by the International Institute of Space Law (IISL), 1982, 82-IISL-09.
3. AIAA Workshop Proceedings “International Cooperation: Solving Global Problems” 1999, pp. 35–39 and “International Cooperation: Addressing Challenges for the New Millennium” 2001, pp. 7–14.
4. Both topics have recently been dealt with in working groups under multi-year work plans of the UNCOPUOS. See: Kai-Uwe Schrogl/Charles Davies, A New Look at the Concept of the “Launching State”. The Results of the UNCOPUOS Legal Subcommittee Working Group 2000–2002, in: German Journal of Air and Space Law ZLW (51,3) 2002, pp. 359–381 and Kai-Uwe Schrogl/Niklas Hedman: The results of the UNCOPUOS Legal Subcommittee Working Group on “Practice of States and international organizations in registering space objects” 2005–2007, International Colloquium on the Law of Outer Space by the International Institute of Space Law (IISL) 2007, IAC-07-E6.5.12. The author has been the chairman of both these working groups.
5. Such keep-out zones could also be a topic for the blocked negotiations in the Geneva Conference on Disarmament's Committee on the Prevention of an Arms Race in Outer Space (PAROS). Since the threat to military space assets is one of the drivers for a possible weaponization of outer space, STM could through such specific means also contribute to arms control.