@article{KappelSachseHaacketal.2020,
  author    = {David Kappel and Manuel Sachse and David Haack and Katharina A. Otto},
  title     = {Discrete element modeling of boulder and cliff morphologies on comet 67P/Churyumov-Gerasimenko},
  journal   = {Astronomy and astrophysics : an international weekly journal},
  volume    = {641},
  doi       = {10.1051/0004-6361/201937152},
  year      = {2020},
}