13,591
edits
Changes
added link to how to make a yeast ring
===External Resources===
* ''Beer and Brewing Traditions in Norway'' by Odd Nordland, Universitetsforlaget, 1969.
* [http://poppylandbrewer.blogspot.no/2016/01/making-yeast-ring.html "Making a yeast ring", Poppyland Brewer blog.]
==References==