@article{Martínez-Huerta:2019aQ, author = "Martínez-Huerta, Humberto - and Lang, Rodrigo Guedes and de Souza, Vitor", title = "{New stringent LIV limits from astrophysical gamma-ray sources}", doi = "10.22323/1.358.0658", journal = "PoS", year = 2019, volume = "ICRC2019", pages = "658" }