@article{ElsteDeutsch2020,
  author    = {R. Elste and M. Deutsch},
  title     = {Die Anstrengungen werden messbar},
  journal   = {Sales Excellence},
  volume    = {29},
  number    = {11},
  pages     = {36 -- 39},
  url       = {https://www.springerprofessional.de/die-anstrengungen-werden-messbar/18552830},
  year        = {2020},
}