1Sauer D B. Storage of cerela grains and their products [M]. Fourth edition. Inc St Paul, Minnesota, USA, the American Association of Cereal Chemists, 1992.
2Obuehowski W. , Bushuk W. Wheat Hardness: Corn parison of Methods of its Evaluation [J]. Cereal Chem istry, 1980, 22: 57-421.
3Miller B S, Pomeranz Y L. Hardness (texture) of hard red winter wheat grown in a soft wheat areas and of sofl red winter wheat grown in a hard wheat area [J ].Cere al Chemistry, 1984, 61: 201-203.
4Pomeranz Y, Peterson C J. Hardness of winter wheat gown under widely different climatic conditions [J]. Cereal Chemistry, 1985, 62:463-467.