@article{KappelAbelGerhard2011,
  author    = {Marcel Kappel and Markus Abel and Reimund Gerhard},
  title     = {Characterization and calibration of piezoelectric polymers in situ measurements of body vibrations},
  journal   = {Review of scientific instruments : a monthly journal devoted to scientific instruments, apparatus, and techniques},
  volume    = {82},
  number    = {7},
  doi       = {10.1063/1.3607435},
  year      = {2011},
}