H.A.Wheeler, "Fundamental Limitations of Small Antennas," Proc. IRE,
pp. 1479-1488. December, 1947.
L.J.Chu, "Physical Limitations on omni-directional antennas",
J.Appl.Phys., vol. 19, pp.1163-1175, December 1948
R.C.Hansen, "Fundamental Limitations in Antennas", Proc. IEEE, vol.69,
no.2, February 1981.
J.S. McLean, "A Re-Examination of the Fundamental Limits on the
Radiation Q of Electrically Small Antennas", IEEE Trans. on Antennas
and Propagation, Vol.44, no.5, May 1996.
W.A. Davis, W.L. Stutzman, and E.D. Caswell, "Fundamental Limits on
Small Antennas," URSI Radio Science Meeting (Salt Lake City, UT), July
2000. (Paper 00-10)