@book{Kirsch2009,
  author    = {Kirsch, Ansgar},
  title     = {On the face stability of shallow tunnels in sand. (Advances in geotechnical engineering and tunnelling ; 16)},
  publisher = {Logos-Verl.},
  address   = {Berlin},
  isbn      = {978-3-8325-2149-3},
  pages     = {210 S.},
  year      = {2009},
  language  = {de}
}