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| [http://suigenerisbrewing.blogspot.com/ Sui Generis Brewing] || || Wild brewing, yeast wrangling and culturing, and maintains a yeast bank for trade
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| [http://www.themadfermentationist.com/ The Mad Fermentationist] || Michael Tonsmeire || Authority on sour brewing with extensive experimentation; author of "American Sour AlesBeers"
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| [http://markoftheyeast.wordpress.com/ The Mark of the Yeast] || || Emphasis on Brettanomyces, yeast wrangler, microscopy, and maintains a yeast bank for trading