1. AACC Methods Manual. (1983). Revised edition, Method 88 - 04. Amer. Assoc. Cereal Chem., St. Paul, Minnesota.
2. Adamson, A.W. (1976). Physical Chemistry of Surfaces, 3rd Edition, p. 548. John Wiley & Sons, Inc., New-York.
3. Almasi, E. (1979). Acta Aliment. 8 (1): 41.
4. Baumann, H. (1967). G.I.T. 6: 540.
5. Berendsen, H.J.C. (1966). Fed. Proc. 25: 971.