@misc{KappelBuchholz2016,
  author    = {Kappel, Antonia and Buchholz, Wolfgang},
  title     = {Application of a Supply Net Mapping Model to improve strategic sourcing in the agricultural machinery industry. 25th Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Purchasing \& Supply Management - from efficiency to effectiveness in an integrated Supply Chain Management". Dortmund, Germany.},
  year      = {2016},
  language  = {en}
}