• Bond, T. E.T. (1952), Elymus arenarius L, In ‘Biological Flora of the British Isles’, J, Ecol. 40, 21727.
  • Forsyth, D. W. & Vogel, O. A. (1945). Effect of seed coat injuries during threshing on emergence of flax seeds. J. Amer. Soc. Agron. 37, 38793.
  • Goss, W. L. (1924), The vitality of buried seeds, J. Agric. Res. 29, 34962.
  • Harper, J. L., Landragin, Phyllis A, & Ludwig, J. W. (1955). The influence of environment on seed and seedling mortality. I. The influence of time of planting on the germination of maize, New Phytol. 54, 107118.
  • Johann, Helen, Holbert, J. R. & Dickson, J. G. (1928). A Pythium seedling blight and root rot of dent com. J. Agric. Res. 37, 44364.
  • Tatum, L. A, & Zuber, M. S. (1943). Germination of maize under adverse conditions, J. Amer. Soc. Agron. 35, 4859.
  • Valleau, W. D, Karkaker, P. E. & Johnson, E. M. (1926). Com root rot—a soil-borne disease. J. Agric. Res. 33, 45376.
  • Wernham, C. C, (1951). Cold testing of corn. A chronological and critical review. Pa. St. Coll. Agric. Exp. Sta. Progr. Rep. no. 47.