TY  - RPRT
TI  - Second-harmonic generation from magnetic metamaterials.
AU  - Matthias W Klein
AU  - Christian Enkrich
AU  - Martin Wegener
AU  - Stefan Linden
PY  - 2006
DO  - 10.1126/science.1129198
UR  - https://pubmed.ncbi.nlm.nih.gov/16873661/
ID  - 16873661
ER  -