@misc{Luethi2018, author = {Barbara L{\"u}thi}, title = {Migration and Migration History (Version 2.0)}, edition = {Version 2.0}, doi = {10.14765/zzf.dok.2.1178.v2}, url = {http://docupedia.de/zg/Luethi_migration_v2_en_2018}, type = {webpublication}, year = {2018}, }