@book{Theisen+2020,
url = {https://doi.org/10.3790/9783428422104},
title = {Grundzüge einer Theorie der Beschaffungspolitik},
title = {},
author = {Paul Theisen},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428422104},
isbn = {9783428422104},
year = {1970},
lastchecked = {2020}
}