17 - Craft beer in the land of the purity law—the German beer industry and the purity requirement in the course of time
| Autor: | Szolnoki, Gergely, Nelgen, Signe, Pensel, Eva, Sperl, Arne |
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| Zdroj: | In Case Studies in the Beer Sector 2021:267-279 |
| Databáze: | ScienceDirect |
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