@article{dontsova1971,
  title={Structural Inorganic Chemistry},
  author={Dontsova and Tetiana Anatoliivna and Nahirniak and Svitlana Valeriivna},
  year={1971},
  journal={Nature},
  doi={10.1038/229453c0},
  url={https://doi.org/10.1038/229453c0}
}