@article{kasha1965,
  title={The exciton model in molecular spectroscopy},
  author={Michael Kasha and H. Ralph Rawls and M. Ashraf El‐Bayoumi},
  year={1965},
  journal={Pure and Applied Chemistry},
  doi={10.1351/pac196511030371},
  url={https://doi.org/10.1351/pac196511030371}
}