@incollection{ZiegenbeinHinzKlacl2014,
  author    = {Ralf Ziegenbein and Christian Hinz and Tomas Klacl},
  title     = {Heijunka},
  booktitle = {Ralf Ziegenbein, Handbuch Lean-Konzepte f{\"u}r den Mittelstand},
  edition   = {1},
  isbn      = {978-3-938137-43-7},
  year      = {2014},
}