Brücker, HerbertHerbertBrücker2019-09-192014-04-302010https://fis.uni-bamberg.de/handle/uniba/4590Online-Ressource unter: http://www.hha.dk/nat/wper/10-22_psc.pdfotherMigration regulation contagionworkingpaperhttp://www.hha.dk/nat/wper/10-22_psc.pdf