Literature Cited
- American Society of Brewing Chemists. Subcommittee on Bottle Testing. Proc. 1948, p. 146; Proc. 1949, p. 173; Proc. 1950, p. 178.
- Gray, P. O., Stone, I., and Rothchild, H. Wallerstein Labs. Communs. 11: 29 (1941).
- Nissen, B. H., and Ulbrich, E. J. Am. Soc. Brewing Chemists, Proc. 1950, p. 9.
- National Formulary (11th ed.), p. 6 (1960).