@inproceedings{Buchmuller:2024OJ,
  author = "Buchmuller, Wilfried",
  title = "{Metastable strings and grand unification}",
  doi = "10.22323/1.455.0004",
  booktitle = "Proceedings of International Conference  on  Particle Physics and Cosmology {\textemdash} PoS(ICPPCRubakov2023)",
  year = 2024,
  volume = "455",
  pages = "004"
}