TY  - RPRT
TI  - Causality and double-negative metamaterials.
AU  - Richard W Ziolkowski
AU  - Allison D Kipple
PY  - 2003
DO  - 10.1103/physreve.68.026615
UR  - https://pubmed.ncbi.nlm.nih.gov/14525141/
ID  - 14525141
ER  -