References
- U. S. Department of Agriculture, Weather Bureau, Climatological Data for Oregon and Wisconsin, (1941).
- North Dakota Experiment Station Bulletin 264.
- J. G. Dickson, A. D. Dickson, H. L. Shands, B. A. Burkhart, Fourth, Sixth, and Seventh Annual Report on Barley Quality Studies.
- W. O. S. Meredith and J. A. Anderson, Canadian Journal of Research, C, 16: 497–509, (1938).
- H. R. Sallans and J. A. Anderson, Canadian Journal of Research, C, 17; 57–71, (1939).
- Russell and Bishop, Journal Institute Brewing, 39, 287 (1933).
- H. L. Hind, Brewing Science and Practice, Volume 1.
- E. Singruen, R. V. Siebel and E. A. Siebel, Proceedings Fourth Annual Meeting American Society of Brewing Chemists, (1941).