References
- Schnegg, H., and Kipphan, H. Z. ges. Brauw. 58, 41 (1935). Amer. Brewer 70, No. 1, 22 (1937).
- Shimwell, J. L. J. Inst. Brewing 41, 481 (1935). Amer. Brewer 69, No. 3, 44 (1936).
- Shimwell, J. L. J. Inst. Brewing 42, 119 (1936). Amer. Brewer 69, No. 5:38 (1936).
- Shimwell, J. L. J. Inst. Brewing 43, 507 (1937). Amer. Brewer 71, No. 1, 61 (1938).
- Epstein, S. S., and Snell, F. D. J. Inst. Brewing 46, 175 (1940). Amer. Brewer 73, No. 6, 67 (1940).