@article{Yushkov:2019J8,
  author = "Yushkov, Alexey",
  title = "{Mass Composition of Cosmic Rays with Energies above 10$^{17.2}$ eV from the Hybrid Data of the Pierre Auger Observatory}",
  doi = "10.22323/1.358.0482",
  journal = "PoS",
  year = 2019,
  volume = "ICRC2019",
  pages = "482"
}