14 mins | Documentary | Oct. 31, 1958
14 mins | Documentary | Oct. 31, 1958
| Producers | DEFA-Studio für populärwissenschaftliche Filme |
| Original title | Der Winter ist ein harter Mann |
| Directors | Lutz Köhlert |
| Writers | Günther Pilz, Lutz Köhlert |
as Narrator (voice)