@inproceedings{Shiltsev:2016FH,
  author = "Shiltsev, Vladimir",
  title = "{Crystal Ball : On the Future High Energy Colliders}",
  doi = "10.22323/1.234.0515",
  booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2015)",
  year = 2016,
  volume = "234",
  pages = "515"
}