@article{ZimmermannRentropFelden2017,
  author    = {Stephan Zimmermann and Christopher Rentrop and Carsten Felden},
  title     = {A multiple case study on the nature and management of shadow information technology},
  journal   = {Journal of Information Systems},
  volume    = {31},
  number    = {1},
  pages     = {79 -- 101},
  year        = {2017},
}