Due to the Covid19 pandemic, the conference that was to have taken place from 14.6. to 18.6.2021 in Limassol (Cyprus) was held virtually.
The abstract for the talk is available at:
https://2021.caaconference.org/wp-content/uploads/sites/28/2021/06/CAA2021_Detailed-Programme_16June.pdf#page=190;
- the presentation at: https://zenodo.org/record/5236611#.YSY0kd9CRNY