@inproceedings{BecerraGonzalez:2019ur, author = "Becerra Gonzalez, Josefa and Paneque, David and Wendel, Christoph and Tavecchio, Fabrizio and Noda, Koji and Ishio, Kazuma and Sitarek, Julian", title = "{Study of the Variable Broadband Emission of Markarian 501 during the Most Extreme Swift X-ray Activity}", doi = "10.22323/1.358.0554", booktitle = "Proceedings of 36th International Cosmic Ray Conference {\textemdash} PoS(ICRC2019)", year = 2019, volume = "358", pages = "554" }