@book{Schuster+2022, url = {https://doi.org/10.3790/9783428435999}, title = {Die Stellung des Ausländers im deutschen und italienischen Aufenthaltsrecht}, title = {}, author = {Martin Schuster}, publisher = {Duncker & Humblot}, address = {}, doi = {doi:10.3790/9783428435999}, isbn = {9783428435999}, year = {1976}, lastchecked = {2022} }