@inproceedings{Bellido:2017Li, author = "Bellido, Jose", title = "{Depth of maximum of air-shower profiles at the Pierre Auger Observatory: Measurements above $10^{17.2}$ eV and Composition Implications}", doi = "10.22323/1.301.0506", booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)", year = 2017, volume = "301", pages = "506" }