@article{Tomas:2018JN, author = "Tomas, Rogelio and Benedikt, Michael and Hofer, Michael and Keintzel, Jacqueline and Zimmermann, Frank", title = "{Towards Future Circular Colliders}", doi = "10.22323/1.321.0268", journal = "PoS", year = 2018, volume = "LHCP2018", pages = "268" }