References
- American Society of Brewing Chemists. Methods of Analysis (6th ed.), (HOPS—5). The Society: Glenview, Illinois (1958).
- Grant, H. L. Wallerstein Labs. Communs. 30. 103 (1967).
- Rehberger, A. J., and Cuzner, J. Am. Soc. Brewing Chemists, Proc. 1967, p. 165.
- Verzele, M., Claus, H., and Van Dyck, T. J. Inst. Brewing 73. 39 (1967).
- Verzele, M., Claus, H., and Van Dyck, J. J. Inst. Brewing 73. 298 (1967).