Baker's Yeast -

: Traditionally, compressed yeast is wrapped in waxed paper and stored at 4°C to maintain cell vitality for several weeks.

If you are looking for the materials used to wrap or store commercial yeast: baker's yeast

If you are looking for academic literature on baker's yeast, the following are foundational or comprehensive sources: : Traditionally, compressed yeast is wrapped in waxed

: "The Ecology and Evolution of the Baker’s Yeast" details its status as a powerful eukaryotic model and its "out-of-China" origin hypothesis. baker's yeast