@article{DierkesSeidelBenndorfetal.2017,
  author    = {T. Dierkes and S. Seidel and C. Benndorf and L. Heletta and M. de Oliveira Jr. and M. Holtkamp and U. Karst and T. Block and T. J{\"u}stel and H. Eckert and R. Poettgen},
  title     = {Mixed Europium Valence in Eu0.937Ba8[BN2]6 - Structure and Spectroscopic Behavior},
  journal   = {Solid State Science},
  volume    = {70},
  pages     = {86 -- 92},
  doi       = {10.1016/j.solidstatesciences.2017.06.002},
  year      = {2017},
}