@article{806551,
  author = {Ting Xu and Amit Agrawal and maxim abashin and Kenneth Chau and Henri Lezec},
  title = {All-angle negative refraction and active flat lensing of ultraviolet light},
  year = {2013},
  number = {497},
  month = {2013-05-22 00:05:00},
  publisher = {Nature},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=911161},
  language = {en},
}