@article{Douady1992phyllotaxis,
  author = {Douady and Couder},
  title = {Phyllotaxis as a physical self-organized growth process},
  journal = {Physical Review Letters},
  year = {1992},
  doi = {10.1103/PhysRevLett.68.2098},
  url = {https://doi.org/10.1103/PhysRevLett.68.2098}
}

@article{Okabe2015is,
  author = {Okabe},
  title = {Biophysical optimality of the golden angle in phyllotaxis},
  journal = {Scientific Reports},
  year = {2015},
  doi = {10.1038/srep15358},
  url = {https://doi.org/10.1038/srep15358}
}