Chocolat Kohler
![Kohler chocolate factory at Sauvabelin with the mill on the Flon river (1860)](https://upload.wikimedia.org/wikipedia/commons/c/cc/Sauvabelin.jpg)
Kohler notably introduced hazelnut chocolate, which was perhaps the first combination chocolate bar. Provided by Wikipedia
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92by Köhler, Peter, Fischer, Hubertus, Munhoven, G., Zeebe, RichardGet access
Published in Global Biogeochemical Cycles (2005)
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Article in Journal/Newspaper -
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