@article{lubliner1989,
  title={A plastic-damage model for concrete},
  author={J. Lubliner and J. Oliver and Sergio Oller and Eugenio Oñate},
  year={1989},
  journal={International Journal of Solids and Structures},
  doi={10.1016/0020-7683(89)90050-4},
  url={https://doi.org/10.1016/0020-7683(89)90050-4}
}