1. : Starch and its Derivatives (1953) 3rd Edition, Vol. 1, p. 45, Chapman & Hall Ltd., London.
2. : p. 48.
3. : Biochem. Soc. Symposia (1953) No. 11, p. 17.
4. : Starch and its Derivatives (1953) 3rd Edition, Vol. 11, p. 348, Chapman & Hall Ltd., London.