@incollection{Hillebrand11,
author = {Roland Bardy and Andreas Hillebrand},
title = {Procurement Strategies in Multi-Layered Supply Chains},
booktitle = {Supply Chain Management},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Sanda Renko},
chapter = {5},
doi = {10.5772/18640},
url = {https://doi.org/10.5772/18640}
}