1. Pringsheim, Hans: The Chemistry of the Saccharides. McGraw-Hill, 1932. Hemicelluloses, page 307.
2. Armstrong, E. F.: InAnn. Rev. Biochem., 7:51, 1938.
3. McCance, R. A. and Lawrence, R. D.: The Carbohydrate Content of Foods.Medical Research Council (London), Special Report Series 135, 1929.
4. Voit, K. and Friedrich, H.:Klin. Wchschr., 14:1792, 1935.
5. Baker, Rollo; Frank, Rollo and Martin, Rollo:Zeutr. Bakt. Parasiteuk. II Abst. 96, 18, 1937.