References
- American Society of Brewing Chemists. Report of Subcommittee on Application of Gas-Liquid Chromatography to Analytical Problems in Brewing Chemistry. Am. Soc. Brewing Chemists, Proc. 1970, p. 218.
- Trachman, H. and Saletan, L. T., Am. Soc. Brewing Chemists, Proc. 1969, p. 19.