@INPROCEEDINGS {3529,
author={N. Engheta and A Alù and M. G. Silveirinha and A. Salandrino and J. Li},
doi={},
booktitle={IEEE Mediterranean Electrotechnical Conference - MELECON},
title={DNG, SNG, ENZ, and MNZ Metamaterials and Their Potential Applications},
year={2006},
month={May},
volume={1},
pages={258-258} 
}