@INCOLLECTION{HeRuWa20,
  author = {{Heeren}, Behrend and {Rumpf}, Martin and {Wardetzky}, Max and {Wirth}, Benedikt},
  title = {Discrete {R}iemannian calculus on shell space},
  booktitle = {Geometric Partial Differential Equations - Part I},
  publisher = {Elsevier},
  year = {2020},
  volume = {21},
  pages = {621--679},
  doi = {10.1016/bs.hna.2019.06.005},
  editor = {Ricardo Nochetto and Andrea Bonito},
  series = {Handbook of Numerical Analysis},
  note = {in press}
}