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2. LEO-Based Optical/Microwave Terrestrial Communications;Meulenberg,2008
3. Meulenberg, A., Karthik Balaji P. S., Suresh, R., and Ramanathan, S., Sling-On-A-Ring: A Realizable Space Elevator to LEO? Proc. of the 59th International Astronautical Congress (IAC-2008), Glasgow, Scotland, 2008.(Online supplement to [1]).
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5. Meulenberg, A., Karthik Balaji P. S., Madhvarayan, V., and Ramanathan, S., Leo-Based Space Elevator Development Using New Materials and Technologies, Proc. of the 60th International Astronautical Congress, Daejeon, 2009.(Online supplement to [1]).