@ARTICLE {6666,
author={M. G. Silveirinha and N. Engheta},
doi={10.1103/PhysRevB.85.195413},
journal={Physical Review B - Condensed Matter and Materials Physics},
title={Effective Medium Approach to Electron Waves: Graphene Superlattices},
year={2012},
month={May},
volume={85},
number={195413},
pages={1-10},
ISSN={1098-0121}
}