@inproceedings{Blair:2019Z0,
  author = "Blair, Chris",
  title = "{Orbifolds and Orientifolds as O-folds}",
  doi = "10.22323/1.347.0137",
  booktitle = "Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" {\textemdash} PoS(CORFU2018)",
  year = 2019,
  volume = "347",
  pages = "137"
}