1. Nieschlag, H.J., and I.A. Wolff, JAOCS 48:723 (1971).
2. Earle, F.R., J.E. Peters, I.A. Wolff and G.A. White, JAOCS 43:330(1966).
3. White, G.A., and J.J. Higgins, Culture of Crambe … A New Industrial Oilseed, Production Research Report No. 95, ARS, USDA, Washington, DC, 1966, pp. 1–20.
4. Christmas, E.P., K.J. Lessman, C.B. Southard and M.W. Phil-lips, Crambe,: A Potential New Crop for Indiana, Bulletin AY-168, Purdue University, West Lafayette, IN, pp. 1–11.
5. Downey, R.K., JAOCS 48:718 (1971).