@inproceedings{jacobs2019causalstrings,
  title = "Causal Inference by String Diagram Surgery",
  author = "Bart Jacobs and Aleks Kissinger and Fabio Zanasi",
  year = "2019",
  booktitle = "Proceedings of the 22nd International Conference on Foundations of Software Science and Computation Structures (FoSSaCS)",
}