1. ; , Eds. Chemistry and Biochemistry of Herbage, Vol. 1. Academic Press, London, 1973.
2. Fundamentals of Food Chemistry Ellis Horwood, Chichester, 1980, p. 121.
3. Chemotaxonomie der Pflanzen, Vol. 2. Birkhäuser, Basel, 1963.
4. In Cereal Technology (Ed.), AVI, Westport, Conn, USA, 1970, Ch. 6.