@article{BreternitzSchorr2021,
  author    = {Joachim Breternitz and Susan Schorr},
  title     = {Symmetry relations in wurtzite nitrides and oxide nitrides and the curious case of Pmc2(1)},
  journal   = {Acta crystallographica / International Union of Crystallography. Section A, Foundations and advances},
  volume    = {77},
  number    = {3},
  pages     = {208 -- 216},
  doi       = {10.1107/S2053273320015971},
  year      = {2021},
}