TY  - GEN
AU  - Smith,D R
AU  - Pendry,J B
AU  - Wiltshire,M C K
TI  - Metamaterials and negative refractive index
SN  - 1095-9203
PY  - 2004///0827
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1126/science.1096796
ER  -