@article{174476,
  author = {John Burnett and R Gupta and Ulf Griesmann},
  title = {Absolute Refractive Indices and Thermal Coefficients of CaF<sub>2</sub>, SrF<sub>2</sub>, BaF<sub>2</sub>, and LiF Near 157 nm},
  year = {2002},
  number = {41},
  month = {2002-05-01},
  publisher = {Applied Optics},
  language = {en},
}