1. Evidence for the Origin of the Ethyl Group of β-Sitosterol
2. Nes, W. R., Castle, M., and Blondin, G., Abstracts of the Southeast-Southwest Meeting of the American Chemical Society, Memphis, Tennessee, December 1965 (Southern Chemist, p. 69, November 1965).
3. Chemical plant taxonomy;Birch,1963
4. Analyse des sterols du pollen par spectrometrie de masse