@book{Winkler+2020,
url = {https://doi.org/10.3790/9783428490912},
title = {Die Parlamentsfraktionen im deutsch-spanischen Rechtsvergleich},
title = {},
author = {Michael Winkler},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428490912},
isbn = {9783428490912},
year = {1997},
lastchecked = {2020}
}