@article{Müller:2025O3, author = "Müller, Ana Laura and Araudo, Anabella", title = "{Active Galactic Nuclei Metallicity Enrichment and UHECR Composition}", doi = "10.22323/1.484.0105", journal = "PoS", year = 2025, volume = "UHECR2024", pages = "105" }