1. Andre, E., and M. Kogane-Charles. 1946. Study of seed of oilbearing erucifers. Ann. Agron.16: 423–433.
2. Arndt, F. 1943. Diazomethane, p. 165–167.In Organic syntheses. Coll. Vol. 2. Wiley, New York.
3. Assoc. Offic. Agr. Chemists, Washington, D. C. Official Methods of Analysis, 9 ed., p. 158 (1960).
4. Ibid p. 12.
5. Baliga, M. N., and T. P. Hilditch. 1948. The component acids of rape seed oil. J. Soc. Chem. Ind. (London)67: 258–262.