5Corinda Erasmus, John R N. Taylor. Optimising the determi- nation of maize endosperm vitreousness by a rapid non - de- structive image analysis technique [ J ]. Journal of the Sci- ence of Food and Agriculture, 2004, 84 (9) :920 -930.
6N Wang, F E Dowell, N Zhang. Determining wheat vitreous- ness using image processing and a neural network [ J ]. Trans- actions of the ASAE, 2003, 46(4) : 1143 -1150.
7Venora G, Grillo O, Saccone R. Quality assessment of du- rum wheat storage centres insicily: evaluation of vitreous, starchy and shrunken kernels using an image analysis system [J]. Journal of Cereal Science, 2009, 49(3) : 429 -440.
8Almeida- Dominguez H D, Suhendro E L, Rooney L W. Factors affecting rapid visco analyser curves for the determi- nation of maize kernel hardness [J]. Journal of Cereal Sci- ence, 1997, 25(1) : 93 - 102.