References
- Alderton, G., Bailey, G. F., Lewis, J. C., and Stitt, F. Anal. Chem. 26. 983 (1954).
- American Society of Brewing Chemists. Methods of Analysis (6th ed.), (HOPS — 4). The Society: Glenview, Illinois (1958).
- American Society of Brewing Chemists. Methods of Analysis (6th ed.), (HOPS — 5). The Society: Glenview, Illinois (1958).
- American Society of Brewing Chemists. Report of Subcommittee on Hop Analysis. Proc. 1959, p. 181.
- European Brewery Convention. Analytica (2nd ed.), pp. 51–52. Elsevier: New York (1963).
- Youden, W. J. Statistical Techniques for Collaborative Tests. Association of Official Analytical Chemists: Washington, D.C. (1967).