Literature Cited
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- Hay, B. A., Homiski, J. W., and Howie, J. L. Differences in ultraviolet absorbance of tetrahydroiso-α-acid components J. Am. Soc. Brew. Chem. 52:54, 1994.
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- Rigby, F. L., and Bethune, J. L. Rapid methods for the determination of total hop bitter substances (iso-compounds) in beer. J. Inst. Brew. 61:325–332, 1955.
- Skoog, D. A. Pages 162–164 in: Principles of Instrumental Analysis, 3rd ed. Saunders College Publishing, New York, 1985.