@incollection{FeldmannZiegenbein2018,
  author    = {Carsten Feldmann and Ralf Ziegenbein},
  title     = {Digital Lean - The Crossroads Model for Controlling Material Flows in Production and Logistics Systems},
  booktitle = {8th International Conference on Production Engineering and Management (PEM) Proceedings},
  isbn      = {978-3-946856-03-0},
  year      = {2018},
}