1. 1.  Nikola Tesla, ―The Transmission of Electrical Energy Without Wires as a Means for Furthering Peace,‖ Electrical World and Engineer. Jan. 7, p. 21, 1905
   2.  Nikola Tesla, My Inventions, Ben Johnston, Ed Austin, Hart Brothers, p. 91,1982 Travel, P. 2007 Modeling and Simulation Design. AK Peters Ltd.
   3.  Thomas F. Valone, ―Tesla„s Wireless Energy... For the 21st Century!!! One Step Beyond Direct TV!!!‖ Extra Ordinary Technology, 1, no. 4, Oct / Nov / Dec 2003.
   4.  Chunbo Zhu, Kai Liu, C.Yu, Rui Ma, H.Cheng, “Simulation and Experimental Analysis on Wireless Energy Transfer Based on Magnetic Resonances”, IEEE Vehicle Power and Propulsion Conference, (2008).
   5.  H.A.Haus, W.Huang, “Coupled Mode Theory” IEEE Proceedings, vol- 79, Page No-1505-1518. [6] Vic Christianto and F.Smarandache, “A Note on omputer Solution of Wireless Energy Transmit via Magnetic Resonance”,“Progress in Physics”, Vol-1, (2008).
   6.  P. Koert and J.T. Cha, ―35 GHz rectenna development,‖ in Proc.1st Annu. Wireless Power Transmission Conf., San Antonio, TX, 1993, pp. 457- 466.
   7.  C. M. Zierhofer and E. S. Hochmair, “Geometric approach for coupling enhancement of magnetically coupled coils,” IEEE Trans. Biomed. Eng., vol. 43, no. 7, pp. 708–714, Jul. 1996.
   8.  B. L. Cannon, J. F. Hoburg, D. D. Stancil, and S. C. Goldstein, “Magnetic resonant coupling as a potential means for wireless power transfer to multiple small receivers,” IEEE Trans. Power Electron., vol. 24, no. 7, pp. 1819–1825, Jul. 2009.
   9.  A. Kurs, R. Moffatt, and M. Soljaèi, “Simultaneous mid-range power transfer to multiple devices,” Appl. Phys. Lett., vol. 96, no. 4, p. 044102, Jan. 2010.
   10. M. P. Perry, Low Frequency Electromagnetic Design. New York: Marcel Dekker, 1985. S. Butterworth, “Eddy-current losses in cylindrical conductors, with special applications to the alternating current resistances of short coils,” Phil. Trans. R. Soc. Lond., vol. 222, pp. 57–100, 1922.
   11.  H. B. Dwight, “Skin effect and proximity effect in tubular conductors,” Trans. Amer. Inst. Elect. Eng., vol. 41, pp. 189–198, Jan. 1922