@ARTICLE {5443,
author={C. S. R. Kaipa and A. Yakovlev and M. G. Silveirinha},
doi={10.1063/1.3549129},
journal={Journal Applied Physics},
title={Characterization of Negative Refraction with Multilayered Mushroom-type Metamaterials at Microwaves},
year={2011},
month={February},
volume={109},
number={044901},
pages={1-10},
ISSN={0021-8979}
}