1. The determination and significance of the base temperature in a linear heat unit system;Arnold,1959
2. Maximum-minimum temperatures as a basis for computing heat units;Arnold,1960
3. Phenology of several plant species at Ottawa, Ontario, and an examination of the influence of air temperatures;Bassett;Can. J. Plant Sci.,1961
4. Seasonal development and yield of native plants on the upper Snake River plains and their relation to certain climatic factors;Blaisdell;U.S. Dep. Agric. Tech. Bull., 1190,1958
5. Soybean ecology. I. Development-temperature relationships from controlled environment studies;Brown;Agron. J.,1960