@INPROCEEDINGS {3554,
author={M. G. Silveirinha and N. Engheta},
doi={},
booktitle={IEEE AP-S/URSI International Symp.},
title={Squeezing and Tunneling of Waves through Sub-Wavelength Waveguide Bends and Discontinuities Using Epsilon-Near-Zero (ENZ) Metamaterials},
year={2006},
month={July},
volume={URSI},
pages={764-764} 
}