@book{Lachmeyer+2019,
url = {https://doi.org/10.3790/9783428439171},
title = {Grundzüge einer Normentheorie},
title = {Zur Struktur der Normen dargestellt am Beispiel des Rechtes},
author = {Friedrich Lachmeyer},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428439171},
isbn = {9783428439171},
year = {1977},
lastchecked = {2019}
}