1. Method and Apparatus for Converting Solar Radiation to Electrical Power;Glaser,1973
2. The History of Power Transmission by Radio Waves;Brown;IEEE Transactions on Microwave Theory and Techniques, Special Centennial Historical Issue,1984
3. Practical 100-kW-Class Diode Arrays Emerge;Beach;Laser Focus World,2001
4. Ground Based Wireless and Wired Power Transmission Cost Comparison;Dickinson,1999
5. Evolution of Regulatory Standards of Interference;Allen,1962