@INPROCEEDINGS {1138,
author={M. G. Silveirinha and C. A. Fernandes},
doi={},
booktitle={Conf. on Telecommunications  - ConfTele},
title={Calculation of the Effective Permittivity of an Artificial Dielectric using a Boundary Element Method},
year={2001},
month={April},
volume={1},
pages={33-37} 
}