@book{29116,
  author       = {{Mahnken, Rolf}},
  isbn         = {{9783642217104}},
  issn         = {{0937-7433}},
  title        = {{{Lehrbuch der Technischen Mechanik - Statik}}},
  doi          = {{10.1007/978-3-642-21711-1}},
  year         = {{2011}},
}

@book{19328,
  author       = {{Mahnken, Rolf}},
  isbn         = {{9783642198373}},
  issn         = {{0937-7433}},
  title        = {{{Lehrbuch der Technischen Mechanik - Dynamik}}},
  doi          = {{10.1007/978-3-642-19838-0}},
  year         = {{2011}},
}