References
- American Society of Brewing Chemists. Methods of Analysis (6th ed.). The Society: Madison, Wisconsin (1958).
- Brenner, M. W., Bernstein, L., Blick, S. R., and Blenkinship, B. K. Am. Soc. Brewing Chemists, Proc. 1965, p. 187.
- Brenner, M. W., Mayer, M. J., and Blick, S. R. Am. Soc. Brewing Chemists, Proc. 1963, p. 165.
- Dixon, W. J., and Massey, F. J., Jr. Introduction to Statistical Analysis (2nd ed.), pp. 275–278, 412. McGraw-Hill: New York (1957).
- European Brewery Convention. Beer Analysis for Trace Metals—Copper, Cobalt, and Nickel (August 1967).
- Youden, W. J. Statistical Techniques for Collaborative Tests. Association of Official Analytical Chemists: Washington, D. C. (1967).