@Inproceedings{EPTCS333.6,
  author    = {Clarke, Bryce},
  year      = {2021},
  title     = {A diagrammatic approach to symmetric lenses},
  editor    = {Spivak, David I. and Vicary, Jamie},
  booktitle = {{\rm Proceedings of the 3rd Annual International}
               Applied Category Theory Conference 2020,
               {\rm Cambridge, USA, 6-10th July 2020}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {333},
  publisher = {Open Publishing Association},
  pages     = {79-91},
  doi       = {10.4204/EPTCS.333.6},
}