@article{JMLR:v23:21-0656,
  author  = {Jaime Roquero Gimenez and Dominik Rothenhäusler},
  title   = {Causal Aggregation: Estimation and Inference of Causal Effects by Constraint-Based Data Fusion},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {335},
  pages   = {1--60},
  url     = {http://jmlr.org/papers/v23/21-0656.html}
}