Literature Cited
- Bethune, J. L., and Rigby, F. L. J. Inst. Brewing 64. 170 (1958).
- Chu, T. C., and Chu, E. Anal. Chem. 30. 1678 (1958).
- Gray, P. P., and Stone, I. Wallerstein Labs. Communs. 6. 24 (1939).
- McFarlane, W. D., and Blaschke, E. J. Inst. Brewing 65(3): 266 (1959).