@inproceedings{yu2020bipolar,
  title = {{A Principle-based Approach to Bipolar Argumentation}},
  author = {Yu, Liuwen and van der Torre, Leendert},
  booktitle = {18th International Workshop on Non-Monotonic Reasoning (NMR 2020): Workshop Notes},
  editor = {Mart{\'i}nez, Maria Vanina and Varzinczak, Ivan},
  year = {2020},
  pages = {227--235},
  url = {https://nmr2020.dc.uba.ar/NMRSchedule.html}
}