@book{Eckhoff+Sundby+2019,
url = {https://doi.org/10.3790/9783428464180},
title = {Rechtssysteme},
title = {Eine systemtheoretische Einführung in die Rechtstheorie},
author = {Torstein EckhoffNils Kristian Sundby},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428464180},
isbn = {9783428464180},
year = {1988},
lastchecked = {2019}
}