References
- Inskip, C., Unpublished method, Mallinckrodt Chemical Works, St. Louis, Mo.
- Stone, I. and Gray, P. P. Amer. Soc. Brewing Chem., Proc. 1948, p. 81.
- Stefacek, E. M. and King, P., “Gallic Acid and Gallotannins in Beer”, unpublished report, Mallinckrodt Chemical Works, April 16, 1971.
- Trachman, H. and Saletan, L. T. Amer. Soc. Brewing Chem., Proc. 1971, p.
Reference
- American Society of Brewing Chemists, Methods of Analysis (6th ed.), (Beer-1). The Society: Glenview, Illinois (1958).