@INPROCEEDINGS {7928,
author={S.A. Matos and C. R. Paiva and A. Barbosa},
doi={},
booktitle={NATO Advanced Research Workshop: Metamaterials for Secure Information and Communication Technologies - ARW},
title={A geometric perspective on omega-like media },
year={2010},
month={February},
volume={-},
pages={---} 
}