Literature Cited
- American Society of Brewing Chemists. Subcommittee Report, Proceedings 1957, p. 135.
- American Society of Brewing Chemists. Subcommittee Report, Procedings 1958, p. 141.
- American Society of Brewing Chemists. Subcommittee Report, Proceedings 1959, p. 175.
- American Society of Brewing Chemists. Subcommittee Report, Proceedings 1960, p. 214.
- American Society of Brewing Chemists. Subcommittee Report, Proceedings 1961, p. 139.
- Brenner, M. W., Siebenberg, J., and Zientara, F. Am. Brewer, 1958, No. 12, pp. 42–44, 49.