@book{Wahle1998,
  author    = {Wahle, Michael},
  title     = {Grundlagen der Maschinen- und Strukturdynamik. - (H{\"o}here Technische Mechanik ; 2)},
  publisher = {Verl. Mainz},
  address   = {Aachen},
  isbn      = {3-89653-391-6},
  pages     = {216 S. : Ill.},
  year      = {1998},
  language  = {de}
}
@book{Wahle1998,
  author    = {Wahle, Michael},
  title     = {Dynamik : Kinematik und Kinetik},
  edition   = {2. Aufl.},
  publisher = {Verl. Mainz},
  address   = {Aachen},
  isbn      = {3-89653-390-8},
  pages     = {158 S. : graph. Darst.},
  year      = {1998},
  language  = {de}
}