@book{Koch+2020,
url = {https://doi.org/10.3790/9783428509836},
title = {Der Grundsatz der Verhältnismäßigkeit in der Rechtsprechung des Gerichtshofs der Europäischen Gemeinschaften},
title = {},
author = {Oliver Koch},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428509836},
isbn = {9783428509836},
year = {2003},
lastchecked = {2020}
}