@book{Pitz+2011,
url = {https://doi.org/10.3790/9783428519859},
title = {Verfassungslehre und Einführung in die deutsche Verfassungsgeschichte des Mittelalters},
title = {},
author = {Ernst Pitz},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428519859},
isbn = {9783428519859},
year = {2006},
lastchecked = {2011}
}