@book{Krugmann+2022,
url = {https://doi.org/10.3790/9783428513178},
title = {Der Grundsatz der Verhältnismäßigkeit im Völkerrecht},
title = {},
author = {Michael Krugmann},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428513178},
isbn = {9783428513178},
year = {2004},
lastchecked = {2022}
}