Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kaneo Oka and Teruhiko Hayashi and Nobuya Matsumoto,Decrease in hydrogen sulfide content during the final stage of beer fermentation due to involvement of yeast and not carbon dioxide gas purging,Journal of bioscience and bioengineering,13891723,Suita : Society for Biotechnology,2008-09,106,3,253-257,https://cir.nii.ac.jp/crid/1522825130084434560,