@article{Tuma1998,
  author    = {Axel Tuma},
  title     = {Configuration and coordination of virtual production networks},
  journal   = {International Journal of Production Economics},
  volume    = {56-57},
  pages     = {641 -- 648},
  doi       = {10.1016/s0925-5273(97)00146-1},
  year      = {1998},
}