@inproceedings{costeffectivelyidentifyingcausaleffect,
  title = {Cost-effectively Identifying Causal Effect When Only Response Variable Observable},
  author = {Tian-Zuo Wang and Xi-Zhu Wu and Sheng-Jun Huang and Zhi-Hua Zhou},
  year = {2020},
  booktitle = {ICML 2020 1},
  url = {https://proceedings.icml.cc/static/paper_files/icml/2020/1967-Paper.pdf},
}