@article{LassGronau2019,
  author    = {Sander Lass and Norbert Gronau},
  title     = {A factory operating system for extending existing factories to Industry 4.0},
  journal   = {Computers in industry : an international, application oriented research journal},
  volume    = {115},
  doi       = {10.1016/j.compind.2019.103128},
  year      = {2019},
}