@inproceedings{Esser:2025dX, author = "Esser, Fabian", title = "{A classification of UV models for higher-dimensional SMEFT operators for neutrinoless double beta decay}", doi = "10.22323/1.495.0005", booktitle = "Proceedings of Matrix Elements for the Double beta decay EXperiments {\textemdash} PoS(MEDEX2025)", year = 2025, volume = "495", pages = "005" }