@misc{631,
  author = {C Vyasarayani and S Birkett and John McPhee},
  title = {Modelling the Dynamics of a Compliant Piano Action Mechanism Impacting an Elastic Stiff String},
  year = {2009},
  journal = {J. Acoust. Soc. Amer.},
  volume = {125},
  pages = {4034-4042},
}