@misc{1180166,
  author = {B L Danielson and D L Franzen and R L Gallawa and E M Kim and M Young},
  title = {Characterization of a concentric-core fiber:},
  year = {1982},
  month = {1982-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.82-1661},
  language = {en},
}