@article{pearl:19-r486,
  author = 	 "Pearl, J.",
  title = 	 "On the intepretation of $do(x)$",
  journal =      "Journal of Causal Inference, {\rm Causal, Casual, and Curious Section}",
  volume =	 "7",
  issue =	 "1",
  year =         2019
}