1. American Association of Cereal Chemists (1989) Approved methods of the AACC: wheat hardness as determined by near-infrared reflectance. Method 39-70A, first approval August 1986, revised April 1987 and January 1989. The Association, St. Paul, Minnesota
2. Barlow KK, Buttrose MS, Simmonds DH, Vesk M (1973) The nature of the starch-protein interface in wheat endosperm. Cereal Chem 50:443?454
3. Bakhella M, Hoseney RC, Lookhart GL (1990) Hardness of Moroccan wheats. Cereal Chem 67:246?250
4. Becker RA, Chambers JM, Wilks AR (1992) The new S language: a programming environment for data analysis and graphics. Wadsworth and Brooks; Cole Advanced Books and Software, Pacific Grove, California
5. Bettge AD, Morris CF, Greenblatt GA (1995) Assessing genotypic softness in single wheat kernels using starch granule-associated friabilin as a biochemical marker. Euphytica 86:65?72