Analysis of information sources in references of the Wikipedia article "Lệnh Đêm đen và Sương mù" in Vietnamese language version.
The Nazi operation against the Polish intelligentsia was code-named 'Nacht und Nebel' on the Polish lands incorporated in the Reich , and 'AB' in the GG area.
The [Gross-Rosen] camp soon grew in size, and inmates included mostly Jews from all over Europe, but also political prisoners, Russian POWs, and Nacht und Nebel Erlaß (q.v.) prisoners from Poland, Hungary, Belgium, France, the Netherlands, Greece, Yugoslavia, Slovalia, and Italy,
