@inproceedings{Muñoz:2021VH, author = "Muñoz, Víctor and Arguelles, Carlos and Kelly, Kevin", title = "{Searching for millicharged particles produced in cosmic-ray air showers}", doi = "10.22323/1.395.0564", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "564" }