@misc{chamani2022time,
  title={Time variability of the core-shift effect in the blazar 3C 454.3},
  author={Wara Chamani and Tuomas Savolainen and Eduardo Ros and Yuri Y. Kovalev and Kaj Wiik and Anne Lähteenmäki and Merja Tornikoski and Joni Tammi},
  year={2022},
  eprint={2209.13301},
  archivePrefix={arXiv},
  primaryClass={astro-ph.HE},
  doi={10.1051/0004-6361/202243435},
  url={https://arxiv.org/abs/2209.13301}
}