Α酸 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Α酸" in Japanese language version.

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doi.org

Kanta Sakamoto, Wil N. Konings (December 2003). “Beer spoilage bacteria and hop resistance”. Int. J. Food Microbiol. 89 (2-3): 105–124. doi:10.1016/S0168-1605(03)00153-3. ISSN 0168-1605.

howtobrew.com

Palmer, John (2006年). “Hop Types”. March 29, 2011閲覧。