@inproceedings{PuesJuestelSchwungetal.2018,
  author    = {P. Pues and T. J{\"u}stel and S. Schwung and D. Rytz},
  title     = {Reference Standards Based on Single Crystals for Optical Spectroscopy},
  booktitle = {7th Workshop on NLO Laser Crystals and Oxides, Idar-Oberstein},
  year      = {2018},
}