@inproceedings{Farrar:2016s5, author = "Farrar, Glennys R. and Unger, Michael and Anchordoqui, Luis A.", title = "{The origin of the ankle in the UHECR spectrum, and of the extragalactic protons below it }", doi = "10.22323/1.236.0513", booktitle = "Proceedings of The 34th International Cosmic Ray Conference {\textemdash} PoS(ICRC2015)", year = 2016, volume = "236", pages = "513" }