@book{Schrage+2013,
url = {https://doi.org/10.3790/9783428475643},
title = {Utrumque Ius},
title = {Eine Einführung in das Studium der Quellen des mittelalterlichen gelehrten Rechts},
author = {Eltjo J. H. Schrage},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428475643},
isbn = {9783428475643},
year = {1992},
lastchecked = {2013}
}