Literature Cited
- American Society of Brewing Chemists. Subcommittee report. Proc. 1958, p. 141.
- Brenner, M. W., Siebenberg, J., and Zientara, F. Am. Brewer (December, 1958).
- Holmstrom, C. E., Pollock, G. E., Ulbricht, E. J., and McClary, J. E. Am. Soc. Brewing Chemists, Proc. 1958, p. 127.
- Ziliotto, H., and Bockelmann, J. B. Am. Soc. Brewing Chemists, Proc. 1954, p. 108.