@article{SeidelDierkesJuesteletal.2016,
  author    = {Seidel, S. and Dierkes, T. and J{\"u}stel, T. and Benndorf, C. and Eckert, H. and Poettgen, R.},
  title     = {Superstructure formation in SrBa8[BN2]6 and EuBa8[BN2]6},
  series = {Dalton Transactions},
  volume    = {45},
  journal   = {Dalton Transactions},
  doi       = {10.1039/C6DT02029A},
  pages     = {12078},
  year      = {2016},
  language  = {en}
}
@article{DierkesSeidelBenndorfetal.2017,
  author    = {Dierkes, T. and Seidel, S. and Benndorf, C. and Heletta, L. and de Oliveira Jr., M. and Holtkamp, M. and Karst, U. and Block, T. and J{\"u}stel, T. and Eckert, H. and Poettgen, R.},
  title     = {Mixed Europium Valence in Eu0.937Ba8[BN2]6 - Structure and Spectroscopic Behavior},
  series = {Solid State Science},
  volume    = {70},
  journal   = {Solid State Science},
  doi       = {10.1016/j.solidstatesciences.2017.06.002},
  pages     = {86 -- 92},
  year      = {2017},
  language  = {en}
}
@article{RPoettgenEckertJohrendtetal.2018,
  author    = {R. P{\"o}ttgen, and Eckert, H. and Johrendt, D. and Stahl, J. and B{\"o}hnisch, D. and J{\"u}stel, T. and Jansen, T. and Benndorf, C. and L. Heletta, and Seidel, S. and L. Funke, and R.-D. Hoffmann,},
  title     = {Na3GaF6 - A Crystal Chemical and Solid State NMR Spectroscopic Study},
  series = {Z. Kristallographie},
  volume    = {233},
  journal   = {Z. Kristallographie},
  doi       = {10.1515/zkri-2017-2138},
  pages     = {479 -- 487},
  year      = {2018},
  language  = {en}
}