@book{2020,
url = {https://doi.org/10.3790/9783428559602},
title = {Nachhaltigkeitsstrategien im Zuge der Modernisierung der europäischen Vergaberechtsvorschriften},
title = {},
author = {},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428559602},
isbn = {9783428559602},
year = {2020},
lastchecked = {2020}
}