Baxter JG, Robeson CD, Taylor JD, Lehman RW (1943). "Natural α-, β- and γ-Tocopherols and Certain Esters of Physiological Interest1". Journal of the American Chemical Society. 65 (5): 918–924. doi:10.1021/ja01245a041. ISSN0002-7863.
Baxter JG, Robeson CD, Taylor JD, Lehman RW (1943). "Natural α-, β- and γ-Tocopherols and Certain Esters of Physiological Interest1". Journal of the American Chemical Society. 65 (5): 918–924. doi:10.1021/ja01245a041. ISSN0002-7863.