1. Historical trends in the jet streams;Archer;Geophysical Research Letters,2008
2. R.J. O’Doherty, B.W. Roberts, Application of upper wind data in one design of tethered wind energy system, Solar Energy Res. Inst., Golden, CO, Tech. Rep. TR-211-1400, (1979) 1–127.
3. Airborne windmills communication aerostats;Manalis;Journal of Aircraft,1976
4. Tethered wind systems for the generation of electricity;Riegler;Journal of Solar Energy Engineering,1984
5. Unmanned Rotorcraft to Generate Electricity using Upper Atmospheric Winds;Roberts,2003