@article{barney2004,
  title={Firm resources and sustained competitive advantage},
  author={Jay B. Barney},
  year={2004},
  journal={Advances in strategic management},
  doi={10.1016/s0742-3322(00)17018-4},
  url={https://doi.org/10.1016/s0742-3322(00)17018-4}
}